Infidelity

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This article is about marital infidelity. For religious infidelity, see infidel.

Infidelity (also referred to as cheating, adultery, or having an affair) is the subjective feeling that one's partner has violated a set of rules or relationship norms and this violation results in feelings of sexual jealousy and rivalry (Leeker & Carlozzi, 2012). Infidelity is a violation of a couple’s assumed or stated contract regarding emotional and/or sexual exclusivity (Weeks et al., 2003, p. ix).[1]

What constitutes an act of infidelity is dependent upon the exclusivity expectations within the relationship (Barta & Kiene, 2005). In marital relationships, exclusivity expectations are commonly assumed although they are not always met. When they are not met, research has found that particular psychological damage including feelings of rage and betrayal, lowering of sexual and personal confidence, and damage to self-image can occur (Leeker et al., 2012). Depending on the context, men and women can experience social consequences if their act of infidelity becomes public. The form and extent of these consequences are often dependent on the gender of the unfaithful person.

Incidence[edit]

After the Kinsey Reports came out in the early 1950s, findings suggested that historically and cross-culturally, extra-marital sex has been a matter of regulation more than sex before marriage (Christensen, 1962). The Kinsey Reports asserted that about one half of men and a quarter of women had committed adultery (Greely, 1991). The Janus Report on Sexual Behavior in America also reported that one third of married men and a quarter of women have had an extramarital affair (Greeley, 1991).

According to The New York Times, the most consistent data on infidelity comes from the University of Chicago's General Social Survey (GSS). Large-scale interviews conducted since 1972 by the GSS of people in monogamous relationships reveals that the number of men admitting to extramarital affairs is 12 percent and for women, 7 percent.[2] Results, however, can be variable depending on the year data is gathered, and also based on the age groups surveyed. For example, one study conducted by the University of Washington, Seattle found slightly, or significantly higher rates of infidelity for populations under 35, or older than 60. In that study which involved 19,065 people during a 15 year period, rates of infidelity among men were found to have risen from 20 to 28%, and rates for women, 5% to 15%.[3] In more recent nationwide surveys, several researchers found that about twice as many men as women reported having an extramarital affair (Wiederman, 1997).[4] A survey conducted by Choi, Catania, and Dolcini in 1990 found 2.2% of married participants reported having more than one partner during the past year. In general, national surveys conducted in the early 1990s reported that between 15-25% of married Americans reported having extramarital affairs.[5] Treas and Giesen (2000) found that the likelihood of sexual infidelity was higher for those who had stronger sexual interests, more permissive sexual values, lower subjective satisfaction with their partner, weaker network ties to their partner, and greater sexual opportunities.[6] Studies suggest around 30–40% of unmarried relationships and 18–20% of marriages see at least one incident of sexual infidelity. Men are more likely than women to have a sexual affair, regardless of whether or not they are in a married or unmarried relationship.[7][page needed]

Rates for females are thought to increase with age, and in one study by Blow, rates were higher in more recent marriages, compared with previous generations (Blow & Hartnett, 2005).[8] In Blow's data set, men were found to be only “somewhat” more likely than women to engage in infidelity, with rates for both sexes becoming increasingly similar (Blow & Harnett, 2005).[8] A study done by Liu (2000) found that the likelihood for women to be involved in some type of infidelity reached a peak in the seventh year of their marriage and then declined afterwards; whereas for married men, the longer they are in relationships the less likely they are to engage in infidelity, except during a critical point in the eighteenth year of marriage where at that point the chance that men will engage in infidelity increases.[9]

Strategic pluralism theory[edit]

Strategic pluralism theory is a theory that focuses on how environmental factors influence mating strategies. According to this theory, when people live within environments that are demanding and stressful, the need for bi-parental care is greater for increasing the survival of offspring. Correspondingly, monogamy and commitment are more commonplace. On the other hand, when people live within environments that encompass little stress and threats to the viability of offspring, the need for serious and committed relations is lowered and therefore promiscuity and infidelity are more common (Schmitt, 2005).

Sex-ratio theory[edit]

Sex ratio theory is a theory that explains the relationship and sexual dynamics within different areas of the world based on the ratio of the number of marriage-aged men to marriage-aged women. According to this theory, an area has a high sex ratio when there is a higher number of marriage-aged women to marriage-aged men and an area has a low sex ratio when there is more marriage-aged men to marriage-aged women (Schmitt, 2005). In terms of infidelity, the theory states that when sex-ratios are high, men are more likely to be promiscuous and engage in sex outside of a committed relationship because the demand for men is higher and so this type of behaviour, which is desired by men, is more accepted. On the other hand, when sex ratios are low, promiscuity is less common because women are in demand and since they desire monogamy and commitment, in order for men to remain competitive in the pool of mates, they must respond to these desires. Support for this theory comes from evidence showing higher divorce rates in countries with lower sex ratios and higher monogamy rates in countries with higher sex ratios (ibid.)

Infidelity and gender[edit]

Differences in sexual infidelity as a function of gender have been commonly reported. It is more common for men compared to women to engage in extradyadic relationships. The National Health and Social Life Survey found that 4% of married men, 16% of cohabiting men, and 37% of dating men engaged in acts of sexual infidelity compared to 1% of married women, 8% of cohabiting women, and 17% of women in dating relationships (Lalasz & Weigel, 2011). These differences have been generally thought due to evolutionary pressures that motivate men towards sexual opportunity and women towards commitment to one partner. In addition, recent research finds that differences in gender may possibly be explained by other mechanisms including power and sensations seeking. For example one study found that some women in more financially independent and higher positions of power, were also more likely to be more unfaithful to their partners (Lammers, Stoker, Jordan, Pollmann, & Stapel, 2011). In another study, when the tendency to sensation seek (i.e., engage in risky behaviours) was controlled for, there were no gender differences in the likelihood to being unfaithful (Lalasz et al., 2011). These findings suggest there may be various factors that might influence the likelihood of some individuals to engage in extradyadic relationships, and that such factors may account for observed gender differences beyond actual gender and evolutionary pressures associated with each.

Gender differences[edit]

There is currently debate in the field of evolutionary psychology whether an innate, evolved sex difference exists between men and women in response to an act of infidelity; this is often called a "sex difference".[10] Those that posit a sex difference exists state that men are 60% more likely to be disturbed by an act of sexual infidelity (having one’s partner engage in sexual relations with another), whereas women are 83% more likely to be disturbed by an act of emotional infidelity (having one’s partner fall in love with another) (Buss, et al., 1992). Those against this model argue that there is no difference between men and women in their response to an act of infidelity.[11] [12] From an evolutionary perspective, men are theorized to maximize their fitness by investing as little as possible in their offspring and producing as many offspring as possible, due to the risk of males investing in children that are not theirs. Women, who do not face the risk of cuckoldry, are theorized to maximize their fitness by investing as much as possible in their offspring because they invest at least nine months of resources towards their offspring in pregnancy.[11] Maximizing female fitness is theorized to require males in the relationship to invest all their resources in the offspring. These conflicting strategies are theorized to have resulted in selection of different jealousy mechanisms that are designed to enhance the fitness of the respective gender.[13]

A common way to test whether an innate jealousy response exists between sexes is to use a forced-choice questionnaire. This style of questionnaire asks participants "Yes or No" and "Response A or Response B" style questions about certain scenarios. For example, a question might ask, "If you found your partner cheating on you would you be more upset by (A) the sexual involvement or (B) the emotional involvement". As the name implies, one is forced to choose between the two options. Many studies using forced choice questionnaires have found statistically significant results supporting an innate sex difference between men and women.[13] Furthermore, studies have shown that this observation holds across many cultures, although the magnitudes of the sex difference vary within sexes across cultures.[14]

Although forced-choice questionnaires show a statistically significant sex- difference, critics of the theory of evolved sex differences in jealousy question these findings. In consideration of the entire body of work on sex differences, Harris (2003) asserted that when methods other than forced-choice questionnaires are used to identify an innate sex difference, inconsistencies between studies begin to arise.[15] For example, in a study by Sangrin & Guadango (2005), the authors found that women sometimes report feeling more intense jealousy in response to both sexual and emotional infidelity. The results of these studies also depended on the context in which the participants were made to describe what type of jealousy they felt, as well as the intensity of their jealousy. From this study, it is clear that context plays a role in the responses men and women give researchers and therefore how sex-differences are interpreted.[16]

In her meta-analysis, Harris (2003)[15] raises the question of whether forced choice questionnaires actually measure what they purport: jealousy itself and evidence that differences in jealousy arise from innate mechanisms. Her meta-analysis reveals that sex-differences are almost exclusively found in forced-choice studies. According to Harris, a meta-analysis of multiple types of studies should indicate a convergence of evidence and multiple operationalizations. This is not the case, which raises the question as to the validity of forced-choice studies. DeSteno and Bartlett (2002)[10] further support this argument by providing evidence which indicates that significant results of forced-choice studies may actually be an artifact of measurement; this finding would invalidate many of the claims made by those "in favor" of an "innate" sex difference. Even those "in favor" of sex-differences admit that certain lines of research, such as homicide studies, suggest against the possibility of sex-differences.[16]

These inconsistent results have led researchers to propose novel theories that attempt to explain the sex differences observed in certain studies.One theory that has been hypothesized to explain why men and women both report more distress to emotional infidelity than sexual infidelity is borrowed from childhood attachment theories. Studies have found that attachment styles of adults are consistent with their self reported relationship histories (Levy, Blatt, & Shaver, 1998).[17] For example, more men are reported to have an insecure, dismissing avoidant attachment style; where these “individuals often attempt to minimize or constrict emotional experience, deny needs for intimacy, are highly invested in autonomy, and are more sexually promiscuous than individuals who have other attachment styles” (Levy & Kelly, 2010).[18] Levy and Kelly (2010) tested this theory and found that adult attachment styles strongly correlate to which type of infidelity elicited more jealousy.[18] Individuals who have secure attachment styles often report that emotional infidelity is more upsetting whereas dismissing attachment styles were more likely to find sexual infidelity more upsetting (Levy & Kelly, 2010).[18] It is important to note however that their study did report that men in general were more likely than women to report sexual infidelity as more distressing, however this could be related to more men having a dismissing attachment style.The authors propose that a social mechanism may be responsible for the observed results. In other words, replicable sex differences in emotion and sexual jealousy could be a function of a social function. Similar studies (Ward & Voracek, 2004) focusing on the masculinization and feminization by society also argue for a social explanation, while discounting an evolutionary explanation.[19]

Causes[edit]

In terms of gender differences in explanations as to why individuals partake in infidelity, studies have reported that men are more likely to engage in extramarital sex if they are unsatisfied sexually, while women are more likely to engage in sex if they are unsatisfied emotionally (Sheppard, Nelso, & Andreoli-Mathie, 1995).[20] Kimmel and Van Der Veen (1974) found that sexual satisfaction may be more important to husbands and that wives are more concerned with compatibility with their partners (Sheppard et al.,1995).[20] Studies suggest that individuals who can separate concepts of sex and love are more likely to accept situations where infidelity occurs (Sheppard et al., 1995).[20] One study done by Roscoe, Cavanaugh, & Kennedy (1988) found that women indicated relationship dissatisfaction as the number one reason for infidelity, whereas men reported a lack of communication, understanding, and sexual incompatibility.[21] Glass & Wright (1992) also found that men and women who are involved in both sexual and emotional infidelities reported being the most dissatisfied in their relationships than those who engaged in either sexual or emotional infidelity alone.[22] In general, marital dissatisfaction overall is the number one reason often reported for infidelity for both sexes (Sheppard et al., 1995).[20] It is important to note that there are many other factors that increase the likelihood of anyone engaging in infidelity. Individuals exhibiting sexually permissive attitudes and those who have had a high number of past sexual relationships are also more likely to engage in infidelity (Feldman & Cauffman, 1999).[23] Other factors such as being well educated, living in an urban centre, being less religious, having a liberal ideology and values, having more opportunities to meet potential partners, and being older affected the likelihood of one being involved in an extramarital affair (Blow & Hartnett, 2005).[8]

Relationship transformations[edit]

Recently, in North America and Europe specifically, there have been drastic changes in the nature and character of relationships. Fewer people are choosing to get married and instead are assuming relationships similar to marriage, without the title. The divorce rates are rising and types of family development are changing. For example, more couples are choosing to remain childless or have children without being married. These transformations may be attributed to the changing labor markets, along with new and different value sets and lifestyles. In societies where marriage is no longer uncritically perceived as a monogamous lifelong relationship, getting married seems a more dubious enterprise.[24] Marriage, sex, and childbearing, which have been a tightly bound package for much of the 20th century, are no longer so inextricably linked.

Anthropological viewpoint[edit]

Anthropologists tend to believe humans are neither completely monogamous nor completely polygamous. Anthropologist Bobbi Low, says we are "slightly polygamous"; Deborah Blum, though, believes we are "ambiguously monogamous," and that we are slowly moving away from the polygamous habits of our evolutionary ancestors.[25]

According to anthropologist Helen Fisher, there are numerous psychological reasons for adultery. Some people may want to supplement a marriage, solve a sex problem, gather more attention, seek revenge, or have more excitement in the marriage. But based on Fisher’s research, there also is a biological side to adultery. "We have two brain systems: One of them is linked to attachment and romantic love, and then there is the other brain system, which is purely sex drive." Sometimes these two brain systems are not well connected, which enables people to become adulterers and satisfy their sex drive without any regards to their attachment side.[26]

Cultural variation[edit]

Often, gender differences in both jealousy and infidelity are attributable to cultural factors. This variation stems from the fact that societies differ in how they view extramarital affairs and jealousy (Hupka et al. 1985). An examination of jealousy across 7 nations revealed that each partner in a relationship serves as each other's primary and exclusive source of satisfaction and attention in all cultures. Therefore, when an individual feels jealousy towards another, it is usually because they are now sharing their primary source of attention and satisfaction. However, variation can be seen when identifying the behaviors and actions that betray the role of primary attention (satisfaction) giver. For instance, in certain cultures if an individual goes out with another of the opposite gender, emotions of intense jealousy can result; however, in other cultures, this behavior is perfectly acceptable and is not given much thought (Hupka 1985).

It is important to understand where these cultural variations come from and how they root themselves into differing perceptions of infidelity. While many cultures report infidelity as wrong and admonish it, some are more tolerant of such behavior. These views are generally linked to the overall liberal nature of the society. For instance, Danish society is viewed as more liberal than many other cultures, and as such, have correlating liberal views on infidelity and extramarital affairs (Blow and Hartnett 2005). According to Christine Harris and Nicholas Christenfeld (1996), societies that are legally more liberal against extramarital affairs judge less harshly upon sexual infidelity because it is distinct from emotional infidelity. In Danish society, having sex does not necessarily imply a deep emotional attachment. As a result, infidelity does not carry such a severe negative connotation (Harris and Christenfeld). With regards to cultural differences in how the genders view infidelity, it was observed that females found emotional infidelity much more distressful and males found sexual infidelity to be much more distressful than females. A comparison between modern day Chinese and American societies showed that there was greater distress with sexual infidelity in the US than in China. The cultural difference is most likely due to the more restrictive nature of Chinese society, thus, making infidelity a more salient concern. Sexual promiscuity is more prominent in the United States, thus it follows that American society is more preoccupied with infidelity than Chinese society (Geary et al. 1995). Often a single predominate religion can influence the culture of an entire nation. Even within Christianity in the United States, there are discrepancies as to how extramarital affairs are viewed. For instance, Protestants and Catholics do not view infidelity with equal severity. The conception of marriage is also markedly different; while in Roman Catholicism marriage is seen as an indissoluble sacramental bond and does not permit divorce even in cases of infidelity, most Protestant denominations allow for divorce and remarriage for infidelity or other reasons. Ultimately, it was seen that adults that associated with a religion (any denomination) were found to view infidelity as much more distressing than those who were not affiliated with a religion. Those that participated more heavily in their religions were even more conservative in their views on infidelity (Burdette et al. 2007).

Some research has also suggested that being African American has a positive correlation to infidelity even when education attainment is controlled for (Treas and Giesen, 2000).[6] Other research suggests that lifetime incidence of infidelity does not differ between African Americans and Whites, only the likelihood of when they engage in it (Wiederman, 1997).[4] Race and gender have been found to be positively correlated with infidelity, however this is the case more often for African American men engaging in extramarital infidelity (Choi,et al., 1994).[5] It is not surprising that human mating strategies differ from culture to culture. For example, Schmitt (2005) discusses how tribal cultures with higher pathogen stress are more likely to have polygynous marriage systems; whereas monogamous mating systems usually have relatively lower high-pathogen environments.[27] In addition researchers have also proposed the idea that high mortality rates in local cultures should be correlated with more permissive mating strategies (Schmitt, 2005).[28] On the other hand, Schmitt (2005) discusses how demanding reproductive environments should increase the desire and pursuit of biparental, monogamous relationships.[28]

Other contributing factors[edit]

While infidelity is by no means exclusive to certain groups of people, its perception can be influenced by other factors. In fact, individuals that are well educated, live in large metropolitan areas, or have more relaxed views on premarital sex are also more likely to be accepting towards extramarital affairs. Furthermore, within a "homogeneous culture," like that in the United States, factors like community size can be strong predictors of how infidelity is perceived. Larger communities tend to care less about infidelity whereas small towns are much more concerned with such issues (Blow and Hartnett 2005). These patterns are observed in other cultures as well. For example, a cantina in a small, rural Mexican community is often viewed as a place where "decent" or "married" women do not go because of its semi-private nature. Conversely, public spaces like the market or plaza are acceptable areas for heterosexual interaction. A smaller population size presents the threat of being publicly recognized for infidelity. However, within a larger community of the same Mexican society, entering a bar or watering hole would garner a different view. It would be deemed perfectly acceptable for both married and unmarried individuals to drink at a bar in a large city. These observations can be paralleled to rural and urban societies in the United States as well (Hirsch et al. 2007). Ultimately, these variables and societal differences dictate attitudes towards sexual infidelity which can vary across cultures as well as within cultures.

"Mate poaching" is the phenomenon of a single person luring a person who is in an intimate relationship to have sex outside of that relationship. According to a survey of 16,964 individuals in 53 countries by David Schmitt (2001), mate poaching happens significantly more frequently in Middle Eastern countries such as Turkey and Lebanon, and less frequently in East Asian countries such as China and Japan.[29]

Evolutionary factors[edit]

The parental investment theory is used to explain evolutionary pressures that can account for sex differences in infidelity. This theory states that the sex that invests less in the offspring has more to gain from indiscriminate sexual behaviour. This means that women, who typically invest more time and energy into raising their offspring (9 months of carrying offspring, breast feeding etc.), should be more choosy when it comes to mate selection and should therefore desire long-term, monogamous relationships that would ensure the viability of their offspring. Men on the other hand, have less parental investment and so they are driven towards indiscriminate sexual activity with multiple partners as such activity increases the likelihood of their reproduction (Peterson & Hyde, 2011; Trivers, 1972). This theory says that it is these evolutionary pressures that act on men and women deferentially and what ultimately drives more men to seek sexual activity outside of their own relationships. It can however, still account for the occurrence of extradyadic sexual relationships among women. For example, a woman whose husband has fertilization difficulties can benefit from engaging in sexual activity outside of her relationship. She can gain access to high-quality genes and still derive the benefit of parental investment from her husband or partner who is unknowingly investing in their illegitimate child (Peterson & Hyde, 2011). Evidence for the development of such a short-term mating strategy in women comes from findings that women who engage in affairs typically do so with men who are of higher status, dominance, physically attractiveness (which is indicative of genetic quality) (ibid).

Defense mechanisms[edit]

One defense mechanism that some researchers believe are effective at preventing infidelity is jealousy. Jealousy is an emotion that can elicit strong responses. Cases have been commonly documented where sexual jealousy was a direct cause of murders and morbid jealousy (Harris, 2003). Buss (2005) states that jealousy has three main functions to help prevent infidelity. These suggestions are:

(i)It can alert an individual to threats with a valued relationship (ii) It can be activated by the presence of interested and more desirable intrasexual rivals (iii)It can function as a motivational mechanism that creates behavioral outputs to deter infidelity and abandonment.

Looking at jealousy’s physiological mechanism offers support for this idea. Jealousy is a form of stress response which has been shown to activate the Sympathetic nervous system by increasing heart rate, blood pressure, and respiration (Harris, 2000). This will activate the "fight or flight" response to ensure action against the attempt at sexual infidelity in their partner (Buss, 1992). Buss and his colleagues (1992) were the first to pioneer a theory that jealousy is an evolved human emotion that has become an innate module, hard-wired to prevent infidelity from occurring. This idea is commonly referred to as Jealousy as a Specific Innate Module (JSIM) and has become widely debated (Harris, 2003). The basis behind this argument is that jealousy was beneficial in our ancestor’s time when cuckoldry was more common (Buss et al., 1992). They suggested that those who were equipped with this emotional response could more effectively stop infidelity and those without the emotional response had a harder time doing so. Because infidelity imposed such a fitness cost, those who had the jealous emotional response, improved their fitness, and could pass down the jealousy module to the next generation (Buss 1996). This provided an ultimate selection mechanism to make this module adaptive and still persist in today’s human population.

Another defense mechanism for preventing infidelity is by social monitoring and acting on any violation of expectations. Researchers in favor of this defense mechanism speculate that in our ancestor’s times, the act of sex or emotional infidelity is what triggered jealousy and therefore the signal detection would have happened only after infidelity had occurred, making jealousy an emotional by-product with no selective function (Harris, 2005). In line with this reasoning, these researchers hypothesize that as a person monitors their partner’s actions with a potential rival through primary and secondary appraisals (Harris, 2004), if their expectations are violated at either level of observation, they will become distressed and enact an appropriate action to stop the chance of infidelity (Cramer et al., 2008). Social monitoring therefore enables them to act accordingly before infidelity occurs, thereby having the capability to raise their fitness (Harris, 2004). Research testing this theory has found more favor for the sexual jealousy hypothesis (Cramer et al., 2008) and therefore more research and evidence is needed to be provide support for the social monitoring theory.

A more recently suggested defense mechanisms of infidelity that is attracting more attention and research is the idea that a particular social group will punish cheaters by damaging their individual reputation (Fisher et al., 2009). The basis for this suggestion stems from the fact that humans have an unmatched ability to monitor social relationships and inflict punishment on cheaters, regardless of the context (Scheuring, 2010). This punishment comes in many forms, one of which is social gossip about the behaviour. Social Gossip ostracizes the individual from the group by damaging his or her reputation. This damage will impair the future benefits that individual can confer from the group and its individuals (Scheuring, 2010). A damaged reputation is especially debilitating when related to sexual and emotional infidelity because it can limit future reproductive mate choices within the group and will cause a net fitness cost that outweighs the fitness benefit gained from the infidelity (Fisher et al., 2010). Such limitations and costs deter an individual from cheating in the first place. Support for this defense mechanism comes from fieldwork by Hirsch and his colleagues (2007) that found that gossip about extramarital affairs in a small community in Mexico was particularly prevalent and devastating for reputation in this region. Specifically, adultery was found to cause an individual to be disowned by their family, decrease the marriage value of his/her family, cause an individual to lose money or a job, and diminish future reproductive potential. In this community, men having extramarital were extremely tactful in that they desired to do so in private areas with lower prevalence of women connected to the community such as bars and brothels, both areas of which had a high risk of contracting sexually transmitted infections (STI’s). The fact that men in this community were more willing to risk their own physical well-being in order to engage in extramarital sexual activity reveals a strong desire to maintain their social reputations, thus offering support for social punishment as a defense mechanism for preventing infidelity.

The Internet[edit]

The rise of the Internet and technology in general provide new challenges for modern couples. According to the Global Internet Statistics in 2003, Internet population around the world has grown exceptionally fast in less than a decade, rising from 16 million users in 1995 to approximately 680 million in late 2003. Millions of such users are married individuals who use the Internet to meet strangers, flirt, and many times engage in highly sexualized conversations.[30]

The possibilities for finding a potential mate or lifelong partner has increased due to the ease of being able to connect with people all across the world. The proliferation of sex chat rooms has increased the opportunity for people in committed relationships to engage in acts of infidelity on and off the Internet. A cyber affair is defined as “a romantic or sexual relationship initiated by online contact and maintained primarily via online communication” (Young et al., 2000).[31] Sexual acts online include behaviors such as cybersex, where two or more individuals engage in discussions about sexual fantasies over the Internet and is usually accompanied by sexual self-stimulation, hotchatting, where discussions between two or more people move away from light hearted flirting, and emotional acts where people disclose intimate information to a significant other (Whitty, 2004).[32] A new type of sexual activity online is when two people’s avatars engage in sexual activity in virtual reality worlds such The Sims or Secondlife. According to a report by Randall & Byers ( 2003) the majority of Americans believe that if a partner engaged in cybersex this constitutes as an act of infidelity.[33]

The most recent findings by Daneback et al. (2005) reported of the 1828 participants they surveyed, one third of them reported engaging in cybersex and of that one third, 46% said they were in a committed relationship with someone else.[34] While face to face sexual scripts for individuals of what is acceptable have been readily available, with the creation of the Internet, the rules of what constitutes infidelity are not as clearly established anymore. Yarab, Sensibaugh, & Allgeier (1998) found that couples often expect both sexual and mental exclusivity in their monogamous relationships, suggesting a need for more research in this particular area of infidelity.[35]

Research on Internet infidelity is a relatively new field of interest. It is difficult to classify any type of sexual interaction via the Internet as infidelity because it lacks the physical aspect. In their book, "The Philosophy of Sex", Alan Soble and Nicholas Power speculate about the Internet, infidelity and culture, "According to the dominant account in our culture, the paradigm case of what counts as sex is heterosexual intercourse, where a man and women engage in a particularly intimate form of physical contact, in which a penis penetrates a vagina. This case is paradigmatic in that it organizes social judgments about which other activities count as sexual, and also connects to dominant views about what sex is normal, natural and good."[36]

In an attempt to differentiate offline and online infidelity, Cooper, Morahan-Martin, Mathy, and Maheu constructed a "Triple A Engine", which identifies the three aspects of Internet infidelity that distinguish it, to some degree, from traditional infidelity:

  1. Accessibility: the more access one has to the Internet, the more likely they will engage in infidelity
  2. Affordability: the monetary cost of being able to access the Internet continues to drop, and for a small price, a user can visit many sites, and meet multiple potential sexual needs
  3. Anonymity: the Internet allows users to masquerade as someone else, or hide their identity altogether.[37]

A study done by Hinke A. K. Groothof, Pieternel Dijkstra and Dick P. H. Barelds called "Sex Differences in Jealousy: The Case of Internet Infidelity" explores the differences between consequences of online infidelity versus offline, and the processes that underlie it, for both partners and/or the relationship. It also examines consistency among sex differences and jealousy in relation to the type of infidelity.[30] The study utilized a sample of 335 Dutch undergraduate students involved in serious intimate relationships. The participants were presented with four dilemmas concerning a partner’s emotional and sexual infidelity over the Internet.
They found a significant sex difference as to whether participants chose sexual and emotional infidelity as more upsetting.
More men than women indicated that a partner’s sexual involvement would upset them more than a partner’s emotional bonding with someone else.
Similarly, in the dilemma involving infidelity over the Internet, more men indicated their partner’s sexual involvement would upset them more than a partner’s emotional bonding with someone else. Women on the other hand expressed more problems with emotional infidelity over the Internet than did men.[30][38]

Online infidelity can be just as damaging to a relationship as offline physical unfaithfulness. A possible explanation is that our brain registers virtual and physical acts the same way and responds similarly.[39] Several studies have concluded that online infidelity, whether sexual or emotional in nature, often leads to off-line infidelity.[40][41][42][43]

Chat rooms[edit]

The new-found popularity of Internet chat rooms has contributed largely to infidelity. Never before has it been so easy to engage in the dating scene and meet people while maintaining the stability of marriage. Chat rooms provide a dilemma because some view them as a forum for fantasies and illusions that are simply just communication rather than physical acts. In a sense, they are a place where married individuals can engage in guilt-free excitement. However, everyone feels differently, leading to extreme gray areas. What might start off as meaningless entertainment obtained by communicating with a stranger in a chat room could eventually lead to the establishment of an actual online or cyber relationship. This type of relationship typically contains the same elements that are found in a traditional relationship such as attraction, flirtation, and support.[44]

A study by Beatriz Lia Avila Mileham in 2004 examined the phenomenon of online infidelity in chat rooms, a process whereby individuals involved in a long-term committed relationship seek computer synchronous, interactive contact with opposite-sex members. The following factors were investigated: (a) what elements and dynamics online infidelity involves and how it happens; (b) what leads individuals specifically to the computer to search for a relationship ‘‘on the side’’; (c) whether individuals consider online contacts as infidelity and why or why not; and (e) what dynamics chat room users experience in their marriages.[45] The results lead to three constructs that symbolize chat room dynamics and serve as a foundation for Internet infidelity. They include:

  1. Anonymous sexual interactionism
  2. Behavioral rationalization
  3. Effortless avoidance.

Anonymous sexual interactionism refers to these individuals’ predilection for anonymous interactions of a sexual nature in chat rooms. The allure of anonymity gains extra importance for married individuals, who can enjoy relative safety to express fantasies and desires without being known or exposed.

Behavioral rationalization denotes the reasoning that chat room users present for conceiving their online behaviors’ as innocent and harmless (despite the secrecy and highly sexual nature).

Effortless avoidance involves chat room users’ avoidance of psychological discomfort by exchanging sexual messages with strangers. Happily married individuals also join such rooms.[45]

Legal implications[edit]

In some jurisdictions an extramarital affair may incur unexpected financial costs. In Australia, for example, affairs of two or more years duration can be deemed a de facto relationship, exposing the married cheater to financial claims in the Family Court on their superannuation savings, income and property. A de facto relationship may exist even when the partners do not think so. It is the Court that will define when it began and ended, based on the evidence.[46] All countries in Europe have decriminalized infidelity when married, however many countries in Africa have criminalized this type of infidelity.

In the United States laws relating to infidelity vary and those states that criminalise adultery rarely prosecute the offence. Penalties for adultery range from life imprisonment in Michigan, to a ten dollar fine in Maryland[47] or "Class 1" felony in Wisconsin. Adultery laws in the United States are unclear due to Supreme Court decisions in 1965 giving privacy of sexual intimacy to consenting adults. Adultery is declared to be illegal by the laws of 26 states: Alabama, Arizona, Colorado, Florida, Georgia, Idaho, Illinois, Kansas, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Nebraska, New Hampshire, New York, North Carolina, North Dakota, Oklahoma, Rhode Island, South Carolina, Tennessee, Utah, Virginia, West Virginia, Wisconsin.

Research issues[edit]

One of the biggest problems with sexuality research is that many people will not openly admit to acts of infidelity unless they are assured complete anonymity. Additionally, there is confusion as to what exactly constitutes infidelity. Is it any kind of sexual activity or strictly sexual intercourse? And what about acts of emotional infidelity - How do you define such acts and additionally obtain measurements on these kinds of relationships? (Jayson, 2008).

Workplace issues[edit]

Infidelities at work or office romances are thought to stem at an individual’s workplace. As the sheer number of women in the workforce is now matching the same numbers of men, researchers expect that as workplace interaction between the sexes increases, the likelihood of infidelity will also increase (Kuroki, 2010).[48] Wiggins and Lederer (1984) found that opportunities to engage in infidelity were related to the workplace where nearly one half of their samples who engaged in infidelity were involved with coworkers (Blow & Hartnett, 2005).[49] A study done by McKinnish (2007) found that those who work with a larger fraction of workers of the opposite sex are more likely to be divorced due to infidelity. Kuroki (2010) found married women were less likely to have a workplace affair whereas individuals who are self-employed are more likely to have had an extramarital affair.[48] In 2000 Treas and Giesen found similar results where sexual opportunities in the workplace increased the likelihood of infidelity during the last 12 months (Blow & Hartnett, 2005).[49]

Adulterous office romances are widely considered to be unhelpful to business and work relationships, and superior-subordinate relationships are banned in 90% of companies with written policies regarding office romance. Companies cannot ban adultery, as, in all but a handful of states, such regulations would run afoul of laws prohibiting discrimination on the basis of marital status. Firings nonetheless often occur on the basis of charges of inappropriate office conduct.[50]

Academics and therapists say cheating is probably more prevalent on the road than close to home. The protection of the road offers a secret life of romance, far from spouses or partners. Affairs range from one-night stands to relationships that last for years. They are usually with a co-worker, a business associate or someone they repeatedly encounter.[51]

Another reason for the development of office romances is the amount of time co-workers spend together. Spouses today often spend more time with co-workers in the office than with each other. Lisa Miller and Lorraine Ali note in their Newsweek article, "The New Infidelity": "nearly 60 percent of American women work outside the home, up from about 40 percent in 1964. Quite simply, women intersect with more people during the day than they used to. They go to more meetings, take more business trips and, presumably, participate more in flirtatious water-cooler chatter."[52]

According to Dr. Debra Laino in an article for Shave, some of the reasons women cheat at the workplace are because "women are disproportionately exposed to men in the workplace, and, as a direct consequence, many have more options and chances to cheat."[53]

Types[edit]

Each case of infidelity serves a different purpose. Being able to justify the behavior of a spouse and define it will lessen some of the confusion. There are five categories of infidelity:

  1. opportunistic infidelity:-example debauchery.
  2. obligatory infidelity
  3. romantic infidelity
  4. conflicted romantic infidelity, and
  5. commemorative infidelity

Opportunistic infidelity occurs when a partner is in love and attached to a partner, but surrenders to their sexual desire for someone else. The opportunistic infidelity is driven by irrepressible lust, situational circumstances and/or opportunity, and sometimes, pure risk-taking behavior.

Obligatory infidelity is based on fear that refraining from someone's sexual advances will result in rejection, and being unwilling to handle such rejection, resulting in surrender to them. Some people end up cheating solely on the need for approval from somebody, even though they still hold a strong attraction to their committed partner.

Romantic infidelity occurs when the cheater is in the process of "falling out of love" with his/her partner. The person's self-perceived obligatory commitment to the relationship's tenets and overall life-meaning is likely the only thing still keeping them with their partner in this example.

Conflicted romantic infidelity takes place when a person both falls in love with and has a strong sexual desire for multiple people at one time, even though s/he may already be committed to a partner. In this circumstance the person feels s/he cannot tell his/her committed partner about what has happened, but is nevertheless unable to resist the compulsion; this lack of open discussion is usually what separates conflicted romantic infidelity from things like a well-defined open relationship or polyamory.

Commemorative infidelity occurs when a person has completely fallen out of love with their spouse, but is still in a committed relationship with them.[dubious ]

[54]

Responses[edit]

The emotional and physical aftermath after an affair has been disclosed can be very difficult, and responses can vary between couples. Some studies suggest that only a small percentage of couples that experience infidelity actually improve their relationship, whereas some studies report couples having surprisingly positive relationship outcomes (Blow & Hartnett, 2005).[8] In terms of negative responses to infidelity, Charney and Parnass (1995) report that after hearing of a partner’s infidelity, reactions have included rage, loss of trust, decreased personal and sexual confidence, sadness, depression, damaged self-esteem, fear of abandonment, and a surge of justification to leave their partner (Blow and Hartnett, 2005).[8] A study done by Schneider, Irons, and Corley (1999) reported nearly 60% of the partners cheated on suffered emotional problems and depression following disclosure of the affair.[55] Other negative consequences have included not only damage to the marriage but also relationships with children, parents, friends, and legal consequences (Blow & Hartnett, 2005).[8] A report in 1983 reported that of a sample of 205 divorced individuals, about one half said their marital problems were caused by their spouse's infidelity (Blow & Hartnett, 2005).[8]

It is important to note that the negative impact of infidelity on a relationship depends on how involved partners are in their infidelity relationship, and researchers maintain that infidelity itself does not cause divorce but the overall level of relationship satisfaction, motives for infidelity, level of conflict, and attitudes held about infidelity do (Blow & Hartnett, 2005).[8] In fact, Schneider, et al. (1999) reported that even though 60 percent of their participants initially threatened to leave their primary relationship, a threat to leave due to infidelity did not actually predict the eventual outcome (Blow & Hartnett, 2005).[8] Atkins, Eldridge, Baucom, and Christiansen (2005) found that couples who went through therapy as well as openly dealt with the infidelity were able to change at a faster rate than other distressed couples who were just in therapy (Blow & Hartnett, 2005).[8] Some unintended positive outcomes that have been reported for couples experiencing infidelity include closer marital relationships, increased assertiveness, taking better care of oneself, placing higher value on family, and realizing the importance of marital communication (Blow & Hartnett, 2005).[8]

If divorce results from infidelity, research suggest that the “faithful” spouse may experience feelings of low life satisfaction and self-esteem; they may also engage in future relationships fearful of the same incidence occurring (Blow & Hartnett, 2005).[8] Sweeney and Horwitz (2001) found that individuals who initiated a divorce after hearing about their partner’s infidelity experienced less depression; however, the opposite was true when the offending spouse initiated divorce (Blow & Hartnett, 2005).[8]

Divorce is one response to marital infidelity. Another would be to seek couple's therapy or counseling. With time to heal and the mutual goal of rebuilding the relationship, some couples emerge from infidelity with a stronger and more honest relationship than before. Relationship counseling can help put an affair into perspective, explore underlying relationship problems, teach how to rebuild and strengthen a relationship, and avoid divorce – if that is the mutual goal.

Marriage counseling is generally provided by licensed therapists or clinical psychologists known as couple, marriage, or family therapists (see family therapy and emotionally focused therapy). These therapists provide the same mental health services as other therapists, but with a specific focus – a couple's relationship.[56]

Relationship counseling typically brings partners together for joint sessions. The counselor or therapist helps couples pinpoint and understand the sources of their conflicts and try to resolve them. Partners evaluate both the good and bad parts of their relationship. Integrative behavioral couples therapy has shown success in increasing intimacy after an affair.

Intimate betrayal inflicts an attachment wound and this is sometimes irreparable, particularly when both partners are not committed to repair.

Current research offers a three-phase model based on the pattern of experiences shared by participants in a qualitative study done by Olson, et al. (2002):

Stage one: roller-coaster The roller-coaster is a time filled with strong emotions, ranging from anger and self-blame to periods of introspection, awareness, appreciation for the relationship, desire to work on relationship or give up, and the realization about the truth of the relationship.

Stage two: moratorium The moratorium is a less emotional period where there are less ups and downs in which the cheated-on spouse tries to make sense of the infidelity, obsesses about details of the affair, retreats physically and emotionally from the relationship, and reaches out to others for help. It is in this stage that couples may decide to work on their relationship or cut their ties.

Stage three: trust-building Trust-building is for couples who decided they wanted to stay together and make their marriage work. In this stage, "showing commitment to the relationship was most important for injured parties to begin forgiving and building trust," Russell said.[57] Couples in this stage need to take responsibility and participate in forgiveness.

Alternative views (swinging and polygamy)[edit]

Swinging is a form of extradyadic sex where married couples exchange partners with each other. Swinging was originally called “wife-swapping” but due to the sexist connotations and the fact that many wives were willing to swap partners, “mate swapping” and or “swinging” was substituted (Hyde, DeLamater, & Byers, 2009). The Supreme Court in Canada has ruled swinging is legal as long as it takes place in a private place and is consensual. Swinging can be closed or open, where couples meet and each pair goes off to a separate room or they have sex in the same room (Hyde, DeLamater, & Byers, 2009). The majority of swingers fall into the middle and upper classes, with an above average education and income, and majority of these swingers are White (90%) (Jenks, 1998).[58] A study done by Jenks in 1986 found that swingers are not significantly any different than non-swingers on measures such as philosophy, authoritarianism, self-respect, happiness, freedom, equality etc.[58] Swingers tend to emphasize personal values over more social ones. According to Henshel (1973) the initiation into the world of swinging usually is done by the husband.[59]

Reasons for getting involved in swinging are the variety of sexual partners and experiences, pleasure or excitement, meeting new people and voyeurism (Hyde, DeLamater, & Byers, 2009). In order for swinging to work, both partners need to have a liberal sexual predisposition, and a low degree of jealously. Interestingly enough, extramarital sex, with both partners being aware and consenting, can have positive effects on the relationship (Hyde, DeLamater, & Byers, 2009). Gilmartin (1975) found that 85 percent of his sample of swingers felt that these sexual encounters posed no real threat to their marriage and felt it had improved.[58] Jenks (1998) found no reason to believe that swinging was detrimental to marriage, with over 91% of males and 82% of females indicating they were happy with swinging (Hyde, DeLamater, & Byers, 2009). However it is important to note that although there is no current research to point that this type of extramarital sex does not affect the majority of marriages in a negative way, there is no doubt that there are marriages that are negatively affected (Jenks, 1998).[58]

Another form of extradyadic sex is polyamory, a "non-possessive, honest, responsible and ethical philosophy and practice of loving multiple people simultaneously" (Hyde, DeLamater, & Byers, 2009). There are various types of relationships in polyamory such as intentional family, group relationship, and group marriage. One type of group relationship can be a triad involving a married couple and an additional man or women who all share sexual intimacy, however it is usually an addition of a female (Hyde, DeLamater, & Byers, 2009). Unlike polygyny, both men and women can have multiple partners. What makes polyamory interesting is that unlike extradyadic affairs, there is usually full awareness of the existence of other partners (Hyde, DeLamater, & Byers, 2009). In particular because both men and women can have multiple partners, these individuals do not consider themselves to be either uncommitted or unfaithful (Ritchie and Barker, 2006.[60]

Sexual orientation[edit]

Evolutionary researchers have suggested that men and women have innate mechanisms that contribute to why they become sexually jealous, especially for certain types of infidelity. It has been hypothesized that heterosexual men have developed an innate psychological mechanism that responds to the threat of sexual infidelity more than emotional infidelity, and vice versa for heterosexual women (Schmitt, 2005).[28] This is because it is thought that the threat of cuckoldry is more detrimental to the male, who could potentially invest in offspring that is another males, and for females, emotional infidelity would be more worrisome because they could lose the parental investment in their offspring for another women’s offspring, therefore affecting their chances of survival (Schmitt, 2005).[28] However the evidence for this gender difference is debatable, as new findings are suggesting that more and more men and women today would find emotional infidelity psychologically worse (Harris, 2002).[61]

For one researcher, Symons (1979), sexual jealously is the major cause that homosexual men are supposedly unsuccessful in maintaining monogamous relationships (Harris, 2002).[61] Symons suggests that all men are innately disposed to want sexual variation and that the difference between heterosexual and homosexual men is that homosexual men can find willing partners more often for casual sex, and thus satisfy this innate desire for sexual variety (Harris, 2002).[61] However, according to this view, all men are hard wired to be sexually jealous; therefore suggesting that gay men should be more upset by sexual infidelity than by emotional infidelity, and that lesbians should be more upset by emotional infidelity than compared to sexual infidelity (Harris, 2002)).[61] Recent studies suggest that in fact it may not be an innate mechanism but that it depends on the importance placed on sexual exclusivity. Peplau and Cochran (1983) found that sexual exclusivity was much more important to heterosexual men and women compared to homosexual men and women. This theory suggests that it is not sexuality that may lead to differences but that people are prone to jealousy in domains that are especially important to them (Salovey & Rothman, 1991).[62]

A study done by Harris (2002) tested these hypotheses among 210 individuals, 48 homosexual women, 50 homosexual men, 40 heterosexual women, and 49 heterosexual men.[61] Results found that more heterosexual than homosexual individuals picked sexual infidelity as worse than emotional infidelity, with heterosexual men being the highest, and that when forced to choose, gay men overwhelmingly predicted emotional infidelity would be more troubling than sexual infidelity (Harris, 2002).[61] These findings contradict Symons (1979) suggestion that there would be no gender difference in predicted responses to infidelity by sexual orientation; however more research in this area should be conducted.[61] Blow and Bartlett(2005) suggest that even though sex outside of a homosexual relationship might be seen as more acceptable in some relationships, the consequences of infidelity do not occur without pain or jealousy.[8]

See also[edit]

Notes[edit]

  1. ^ Weeks, G. R., Gambescia, N., & Jenkins, R.E (2003). . Treating infidelity: Therapeutic dilemmas and effective strategies. New York, N.Y.: W.W. Norton and Company. 
  2. ^ "Love, Sex and the Changing Landscape of Infidelity", The New York Times, October 27, 2008 
  3. ^ "Love, Sex and the Changing Landscape of Infidelity", The New York Times, October 27, 2008 
  4. ^ a b Wiederman, M. W. (1997). Extramarital sex: Prevalence and correlates in a national survey. Journal of Sex Research, 34(2), 167-174
  5. ^ a b Choi, K. H., Catania, J. A., & Dolcini, M. M. (1994). Extramarital sex and HIV risk behavior among US adults: Results from the national AIDS behavioral survey. American Journal of Public Health, 84(12), 2003-2007
  6. ^ a b Treas, J., & Giesen, D. (2000). Sexual infidelity among married and cohabiting Americans. Journal of Marriage and Family, 62(1), 48-60
  7. ^ Close encounters: Communication in relationships.Guerrero , L.K. , Anderson, P.A. , & Afifi, W.A. (2007).Sage Publications.
  8. ^ a b c d e f g h i j k l m n Blow, A. J., & Hartnett, K. (2007). Infidelity in committed relati0nships ii: A substantive review. Journal of Marital and Family Therapy, 31(2), 217-233
  9. ^ Liu, C. (2000). A theory of marital sexual life. Journal of Marriage and Family, 62(2), 363-374
  10. ^ a b DeSteno, D., Bartlett, M. Y., Braverman, J., & Salovey, P. (2002). Sex differences in jealousy: Evolutionary mechanism or artifact of measurement?. Journal of Personality and Social Psychology, 83(5), 1103–1116. doi: 0.1037/0022-3514.83.5.1103
  11. ^ a b Miller, S. L., & Maner, J. K. (2009). Sex differences in response to sexual versus emotional infidelity: The moderating role of individual differences. Personality and Individual Differences, 46(3), 287–291. doi:10.1016/j.paid.2008.10.013
  12. ^ Buss, D. M.,; Larsen, R. J.; Westen, D.; Semmelroth, J. (1992). . Psychological Science 3: 251–255. 
  13. ^ a b Murphy, S. M., Vallacher, R. R., Shackelford, T. K., Bjorklund, D. F., & Yunger, J. L. (2006). Relationship experience as a predictor of romantic jealousy. Personality and Individual Differences, 40(4), 761–769. doi:10.1016/j.paid.2005.09.004
  14. ^ Buunk, B. P., Angleitner, A., Oubaid, V., & Buss, D. M. (1996). Sex differences in jealousy in evolutionary and cultural perspective: Tests from the Netherlands, Germany, and the United States. Psychological Science, 7(6), 359–363. doi:10.1111/j.1467-9280.1996.tb00389.x
  15. ^ a b Harris, C. R. (2003). A review of sex differences in sexual jealousy, including self-report data, psychophysiological responses, interpersonal violence, and morbid jealousy. Personality and Social Psychology Review, 7(2), 102–128. doi:10.1207/S15327957PSPR0702_102-128
  16. ^ a b Sagarin, B. J. (2005). Reconsidering evolved sex differences in jealousy: Comment on Harris (2003). Personality and Social Psychology Review, 9(1), 62–75. doi:10.1207/s15327957pspr0901_5
  17. ^ Levy, K. N., Blatt, S. J., & Shaver, P. R. (1998). Attachment styles and parental representations. Journal of Personality and Social Psychology, 74(2), 407
  18. ^ a b c Levy, K. N., & Kelly, K. M. (2010). Sex differences in jealousy A contribution from attachment theory. Psychological Science, 21(2), 168-173
  19. ^ Ward, J., & Voracek, M. (2004). Evolutionary and social cognitive explanations of sex differences in romantic jealousy. Australian Journal of Psychology, 56(3), 165–171. doi:10.1080/00049530412331283381
  20. ^ a b c d Sheppard, V. J., Nelso, E. S., & Andreoli-Mathie, V. (1995). Dating relationships and infidelity: Attitudes and behaviors. Journal of Sex & Marital Therapy, 21(3), 202-212
  21. ^ Roscoe, B., Cavanaugh, L. E., & Kennedy, D. R. (1988). Dating infidelity: Behaviors, reasons and consequences. Adolescence, 23(89), 35-43
  22. ^ Glass, S. P., & Wright, T. L. (1992). Justifications for extramarital relationships: The association between attitudes, behaviors, and gender. Journal of Sex Research, 29(3), 361-387
  23. ^ Feldman, S. S., & Cauffman, E. (1999). Your cheatin'heart: Attitudes, behaviors, and correlates of sexual betrayal in late adolescents. Journal of Research on Adolescence, 9(3), 227-252
  24. ^ The State of Affairs by Jean Duncombe, Karen Harrison, Graham Allan, and Dennis Marsden
  25. ^ Adultery by Louise DeSalvo.
  26. ^ Kathiya, Henna (1 April 2010). "Adultery has roots in psychology, biology". dailytargum.com (Rutgers University: The Daily Targum). Retrieved 16 September 2011. [dead link]
  27. ^ Schmitt, D. P. (2005). Sociosexuality from argentina to zimbabwe: A 48-nation study of sex, culture, and strategies of human mating. Behavioral and Brain Sciences, 28(2), 247-274
  28. ^ a b c d Schmitt, D. P. (2005). Sociosexuality from argentina to zimbabwe: A 48-nation study of sex, culture, and strategies of human mating. Behavioral and Brain Sciences, 28(2), 247-274
  29. ^ Meston, Cindy; Buss, David (2009). Why Women Have Sex: Understanding Sexual Motivations from Adventure to Revenge. Macmillan. p. 94. 
  30. ^ a b c Sex Differences in Jealousy: The Case of Internet Infidelity by Hinke A. K. Groothof, Pieternel Dijkstra and Dick P. H. Barelds
  31. ^ Young, K. S., Griffin-Shelley, E., Cooper, A., O'mara, J., & Buchanan, J. (2000). Online infidelity: A new dimension in couple relationships with implications for evaluation and treatment. Sexual Addiction & Compulsivity: The Journal of Treatment and Prevention, 7(1-2), 59-74
  32. ^ Whitty, M. T. (2004). Cybercheating: What do people perceive to be infidelity in online relationships?
  33. ^ Randall, H. E., & Byers, E. S. (2003). What is sex? students' definitions of having sex, sexual partner, and unfaithful sexual behaviour. Canadian Journal of Human Sexuality
  34. ^ Daneback, K., Al Cooper Ph, D., & Månsson, S. (2005). An Internet study of cybersex participants. Archives of Sexual Behavior, 34(3), 321-328
  35. ^ Yarab, P. E., Allgeier, E. R., & Sensibaugh, C. C. (1999). Looking deeper: Extradyadic behaviors, jealousy, and perceived unfaithfulness in hypothetical dating relationships. Personal Relationships, 6(3), 305-316
  36. ^ The Philosophy of Sex by Alan Soble and Nicholas Power
  37. ^ Toward an increased understanding of user demographics in online sexual activity by Cooper, A., Morahan-Martin, J., Mathy, R. M., & Maheu, M. (2002)
  38. ^ The realness of cybercheating: Men's and women's representations of unfaithful Internet relationships by Monica Whitty (2005)
  39. ^ Mathiak, K., & Weber, R. (2006). Toward brain correlates of natural behavior:fMRI during violent video games. Human Brain Mapping, 27, 948-956.
  40. ^ Parks, M.R., & Floyd, K. (1996). Making friends in cyberspace. Journal of Communication, 46, 80-97.
  41. ^ Parks, M.R., & Roberts, L.D., (1998). ‘Making MOOsic’: The development of personal relationships on line and a comparison to their off-line counterparts. Journal of Social and Personal Relationships, 15, 517-537.
  42. ^ Whitty, M., & Gavin, J. (2001). Age/Sex/Location: Uncovering the Social Cues in the Development of Online Relationships. Cyberpsychology & Behavior, 4(5), 623-630. doi:10.1089/109493101753235223
  43. ^ Schneider, J. P. (2003). The impact of compulsive cybersex behaviours on the family. Sexual & Relationship Therapy, 18(3), 329.
  44. ^ Rani, T. (2011, June 8). Is cyber cheating really cheating? Uptown Magazine, Retrieved from http://uptownmagazine.com/2011/06/is-cyber-cheating-really-cheating/
  45. ^ a b Online Infidelity in Internet Chat Rooms: An Ethnographic Exploration
  46. ^ Clinical Psychology summary
  47. ^ Ten dollar fine in Maryland
  48. ^ a b Kuroki, M. (2012). Opposite-sex coworkers and marital infidelity. Economics Letters
  49. ^ a b Blow, A. J., & Hartnett, K. (2007). INFIDELITY IN COMMITTED RELATI0NSHIPS II: A SUBSTANTIVE REVIEW. Journal of Marital and Family Therapy, 31(2), 217-233.
  50. ^ Stephanie Losee and Helaine Olen. Office Mate: The Employee Handbook for Finding—and Managing—Romance on the Job. 
  51. ^ Stoller, Gary (2007-04-23). "Infidelity is in the air for road warriors". USA Today. Retrieved 2009-10-19. 
  52. ^ "The New Infidelity". Newsweek. 
  53. ^ Dr. Debra Laino Phd. "Why Women Cheat". ShaveMagazine.com. Retrieved 2010-02-10. 
  54. ^ Meyer, Cathy – Types of Infidelity
  55. ^ Schneider, J. P.; Irons, R. R.; & Corley, M. D. (1999). "Disclosure of extramarital sexual activities by sexually exploitative professionals and other persons with addictive or compulsive sexual disorders". Journal of Sex Education and Therapy 24 (4): 277–288. 
  56. ^ Mayo Clinic – Marriage counseling: Working through relationship problems
  57. ^ "Surviving Infidelity: What Wives Do When Men Cheat". livescience. 
  58. ^ a b c d Jenks, R. J. (1998). Swinging: A review of the literature. Archives of Sexual Behavior, 27(5), 507-521
  59. ^ Henshel, A. (1973). Swinging: A study of decision making in marriage. American Journal of Sociology, , 885-891
  60. ^ Ritchie, A., & Barker, M. (2006). ‘There Aren’t words for what we do or how we feel so we have to make them up’: Constructing polyamorous languages in a culture of compulsory monogamy. Sexualities, 9(5), 584-601
  61. ^ a b c d e f g Harris, C. R. (2002). Sexual and romantic jealousy in heterosexual and homosexual adults. Psychological Science, 13(1), 7-12
  62. ^ Salovey, P., & Rothman, A. J. (1991). Envy and jealousy: Self and society. The Psychology of Jealousy and Envy, , 271-286

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Whitty, M. T. (2003). Pushing the wrong buttons: Men's and women's attitudes toward online and offline infidelity. CyberPsychology & Behavior, 6(6), 569-579.

Wiederman, M. W. (1997). Extramarital sex: Prevalence and correlates in a national survey. Journal of Sex Research, 34(2), 167-174.

Yarab, P. E., Allgeier, E. R., & Sensibaugh, C. C. (1999). Looking deeper: Extradyadic behaviors, jealousy, and perceived unfaithfulness in hypothetical dating relationships. Personal Relationships, 6(3), 305-316.

Young, K. S., Griffin-Shelley, E., Cooper, A., O'mara, J., & Buchanan, J. (2000). Online infidelity: A new dimension in couple relationships with implications for evaluation and treatment. Sexual Addiction & Compulsivity: The Journal of Treatment and Prevention, 7(1-2), 59-74.

Further reading[edit]

  • Moultrup, David J. (1990). Husbands, Wives & Lovers. New York: Guilford Press.
  • Glass, S. P., & Wright, T. L. (1992). Justifications for extramarital relationships: The association between attitudes, behaviors, and gender. Journal of Sex Research 29, 361–387.
  • Pittman, F. (1989). Private Lies . New York: W. W. Norton Co.
  • Rubin, A. M., & Adams, J. R. (1986). Outcomes of sexually open marriages. Journal of Sex Research, 22, 311–319.
  • Vaughan, P. (1989). The Monogamy Myth. New York: New Market Press.
  • Blow, Adrian J.; Hartnett, Kelley (April 2005). "Infidelity in Committed Relationships II: A Substantive Review". Journal of Marital & Family Therapy (Washington, D.C.: American Association for Marriage and Family Therapy) 31 (2). ISSN 0194-472X. 
  • Adult attachment and patterns of extradyadic involvement Family Process, Dec 2004 by Elizabeth S. Allen, Donald H. Baucom
  • AN INTEGRATIVE INTERVENTION FOR PROMOTING RECOVERY FROM EXTRAMARITAL AFFAIRS Journal of Marital & Family Therapy, April 2004 by Gordon, Kristina Coop, Baucom, Donald H, Snyder, Douglas K
  • Treating infidelity: Therapeutic dilemmas and effective strategies Journal of Marital & Family Therapy, October 2004 by Ward, David B.
  • Managing Infidelity: A Cross-Cultural Perspective by Anne Buckmaster, William Jankowiak, M. Diane Nell; Ethnology, Vol. 41, PART 1, pages 85–100 2002
  • Infidelity: The Lessons Children Learn by Jennifer Harley Chalmers, PhD
  • Professor Kristina Gordon's research into infidelity and betrayal
  • Cybersex and Infidelity Online: Implications for Evaluation and Treatment by Kimberly S. Young, Alvin Cooper, Eric Griffiths-Shelley, James O'Mara, and Jennifer Buchanan Paper Published in Sexual Addiction and Compulsivity, 7 (10, 59–74, 2000
  • Buss, D. M. (1996, February). Paternity uncertainty and the complex repertoire of human mating strategies . American Psychologist, 51(2), 161–162.
  • Buss, D. M., & Haselton, M. (2005, November). The Evolution of Jealousy. Trends in Cognitive Sciences, 9(11), 506–507.
  • Buss, D. M., Larsen, R. J., Semmelroth, J., & Westen, D. (1992, July). Sex Differences in Jealousy—Evolution, Physiology, and Psychology. Psychological Sciences, 3(4), 251–255.
  • Cramer, R. E., Lipinski, R. E., Meeter, J. D., & Houska, J. A. (2008, August). Sex Differences in Subjective Distress to Unfaithfulness: Testing Competing Evolutionary and Violation of Infidelity Expectations Hypotheses. Journal of Social Psychology, 148(4), 389–405.
  • DeSteno, D. A., & Salovey, P. (1996, November). Evolutionary origins of sex differences in jealousy? Questioning the fitness of the model. Psychological Science, 7(6), 367–372.
  • Fisher, M., Geher, G., Cox, A., Tran, U.S., Hoben, A., Arrabaca, A., Chaize, C., Deitrich, R., & Voracek, M. (2009). Impact of Relational Proximity on Distress from Infidelity. Evolutionary Psychology, 7(4), 560–580.
  • Harris, C. R. (2000, June). Psychophysiological responses to imagined infidelity: The specific innate modular view of jealousy reconsidered. Journal of Personality and Social Psychology, 78(6), 1082–1091.
  • Harris, C. R. (2004, January/February). The Evolution of Jealousy. American Scientist, 92(1), 62–71
  • Harris, C. R. (2005). Male and female jealousy, still more similar than different: Reply to Sagarin (2005). Personality and Social Psychology Review, 9(1), 76–86.
  • Hirsch, J. S., Meneses, S., Thompson, B., Negroni, M., Pelcastre, B., & del RIo, C. (2007, June). The inevitability of infidelity: Sexual reputation, social geographies, and marital HIV risk in rural Mexico. The American Journal of Public Health, 97(6), 986–996.
  • Roughgarden, J., & Akcay, E. (2010, March). Do We Need a Sexual Selection 2.0? Animal Behavior, 79(3), E1–E4.
  • Scheuring, I. (2010, August). Coevolution of honest signaling and cooperative norms by cultural group selection. Buiosystems, 101(2), 79–87.
  • Blow, Adrian J., and Kelley Hartnett. "Infidelity in Committed Relationships II: A Substantive Review". Journal of Marital & Family Therapy 31.2 (2005): 217–33. ISI Web of Science. Web. 15 Feb 2011.
  • Burdette, Amy M., Christopher G. Ellison, Darren E. Sherkat, and Kurt A. Gore. "Are Their Religious Variations in Material Infidelity". Journal of Family Issues 28.12 (2007): 1553–581. ISI Web of Science. Web. 15 Feb 2011.
  • Geary, David C., Michael Rumsey, Christine Bow-Thomas, and Mary K. Hoard. "Sexual Jealousy as a Facultative Trait: Evidence from the Pattern of Sex Differences in Adults from China and the United States". Ethology and Sociobiology 16 (1995): 355–83. Film and Television Literature Index with Full Text. Web. 15 Feb 2011.
  • Harris, Christine R., and Nicholas Christenfeld. "Jealousy and Rational Responses to Infidelity Across Gender and Culture". Psychological Science 7.6 (1996): 378–79. ISI Web of Science. Web. 14 Feb 2011.
  • Hirsch, Jennifer S., Sergio Meneses, Brenda Thompson, Mirka Negroni, Blanca Pelcastre, and Carlos Del Rio. "The Inevitability of Infidelity: Sexual Reputation, Social Geographies, and Marital HIV Risk in Rural Mexico". American Journal of Public Health 97.6: 986–96. ISI Web of Science. Web. 15 Feb 2011.
  • Hupka, Ralph B., Bram Buunk, Gábor Falus, Ante Fulgosi, Elsa Ortega, Ronny Swain, and Nadia Tarabrina. "Romantic Jealousy and Romantic Envy: A Seven-Nation Study". Journal of Cross-Cultural Psychology 16 (1985): 423–46. ISI Web of Science. Web. 15 Feb 2011.
  • Sagarin, Brad J. "Reconsidering Evolved Sex Differences in Jealousy: Comment on Harris". Personality and Social Psychology Review 9.1 (2005): 62–75. ISI Web of Science. Web. 14 Feb 2011.
  • Vandello, Joseph A., and Dov Cohen. "Male Honor and Female Fidelity: Implicit Cultural Scripts That Perpetuate Domestic Violence". Journal of Personality and Social Psychology 84.5 (2003): 997–1010. ISI Web of Science. Web. 15 Feb 2011.
  • Barta, W. D., & Kiene, S. M. (2005). Motivations for infidelity in heterosexual dating couples: The roles of gender, personality differences, and sociosexual orientation. Journal of Social and Personal Relationships, 22(3), 339-360.
  • Donovan, S., & Emmers-Sommer, T. M. (2012). Attachment style and gender as predictors of communicative responses to infidelity. Marriage & Family Review, 48(2), 125-149.
  • Lalasz, C. B., & Weigel, D. J. (2011). Understanding the relationship between gender and extradyadic relations: The mediating role of sensation seeking on intentions to engage in sexual infidelity. Personality and Individual Differences, 50(7), 1079-1083.
  • Lammers, J., Stoker, J. I., Jordan, J., Pollmann, M., & Stapel, D. A. (2011). Power increases infidelity among men and women. Psychological Science, 22(9), 1191-1197.
  • Leeker, O., & Carlozzi, A. (2012). Effects of sex, sexual orientation, infidelity expectations, and love on distress related to emotional and sexual infidelity. Journal of Marital and Family Therapy,
  • Petersen, J. L., & Hyde, J. S. (2011). Gender differences in sexual attitudes and behaviors: A review of meta-analytic results and large datasets. Journal of Sex Research, 48(2-3), 149-165.
  • Schmitt, D. P. (2005). Sociosexuality from Argentina to Zimbabwe: A 48-nation study of sex, culture, and strategies of human mating. Behavioral and Brain Sciences, 28(2), 247-274.
  • Shackelford, T. K., LeBlanc, G. J., & Drass, E. (2000). Emotional reactions to infidelity. Cognition & Emotion, 14(5), 643-659.
  • Trivers, R. (1972). Parental investment and sexual selection.