Theory of reasoned action
The theory of reasoned action (TRA) is one of the three classic models of persuasion. The theory is also used in communication discourse as a theory of understanding. The theory of reasoned action was developed by Martin Fishbein and Icek Ajzen in 1967 and was derived from previous research that began as the theory of attitude. The theory aims to explain the relationship between attitudes and behaviors within human action. TRA is used to predict how individuals will behave based on their pre-existing attitudes and behavioral intentions. An individual's decision to engage in a particular behavior is based on the outcomes the individual expects will come as a result of performing the behavior.
- 1 Overview
- 2 Development and investigation
- 3 Applications of the theory
- 3.1 Communication
- 3.2 Consumer behavior
- 3.3 Health behavior
- 4 Critiques
- 5 See also
- 6 References
The theory of reasoned action serves to understand an individual's voluntary behavior. The ideas found within the theory of reasoned action have to do with an individual's basic motivation to perform an action. TRA says that a person's intention to perform a behavior is the main predictor of whether or not they actually perform that behavior. According to the theory, intention to perform a certain behavior precedes the actual behavior. This intention is known as behavioral intention and comes as a result of a belief that performing the behavior will lead to a specific outcome. Behavioral intention is important to the theory because these intentions "are determined by attitudes to behaviors and subjective norms". The theory of reasoned action suggests that stronger intentions lead to increased effort to perform the behavior, which also increases the likelihood for the behavior to be performed.
Behavioral intention is a function of both attitudes and subjective norms toward that behavior. However, the attitudes and subjective norms are unlikely to be weighted equally in predicting behavior. Depending on the individual and situation, these factors might have different impacts on behavioral intention, thus a weight is associated with each of these factors. A few studies have shown that direct prior experience with a certain activity results in an increased weight on the attitude component of the behavior intention function.
In its simplest form, the TRA can be expressed as the following equation:
- BI = behavioral intention
- (AB) = one's attitude toward performing the behavior
- W = empirically derived weights
- SN = one's subjective norm related to performing the behavior
The TRA theorists note that there are three conditions that can affect the relationship between behavioral intention and behavior. The first condition is that "the measure of intention must correspond with respect to their levels of specificity". This means that to predict a specific behavior, the behavioral intention must be equally specific. The second condition is that there must be "stability of intentions between time of measurement and performance of behavior". The intention must remain the same between the time that it is given and the time that the behavior is performed. The third condition is "the degree to which carrying out the intention is under the volitional control of the individual". The individual always has the control of whether or not to perform the behavior. These conditions have to do with the transition from verbal responses to actual behavior.
The distinction between a goal intention and a behavioral intention concerns the capability to achieve one's intention, which involves multiple variables thus creating great uncertainty. Azjen acknowledged that "some behaviors are more likely to present problems of controls than others, but we can never be absolutely certain that we will be in a position to carry out our intentions. Viewed in this light it becomes clear that strictly speaking every intention is a goal whose attainment is subject to some degree of uncertainty."
Development and investigation
In 1979, H.C. Triandis proposed expanding TRA to include more components. These factors were habit, facilitating conditions, and affect. When a person performs a behavior in a routine manner they form a habit. Facilitating conditions are conditions that make completion of an action more or less difficult. Both of these conditions affect their behavior directly. On the other hand, affect is the emotional response a person has towards a behavior and this emotional response only affects behavioral intention rather than directly affecting behavior. This expanded version of TRA has been used to study behaviors like women's participation in mammography procedures.
In 1985, Ajzen extended TRA to what he refers as the theory of planned behavior (TPB). This involves the addition of one major predictor—perceived behavioral control. This addition was introduced to account for times when people have the intention to conduct the behavior, but the actual behavior is thwarted because of subjective and objective reasons. In the theory of planned behavior, the attitude, subjective norms, and behavioral control have "important although differently weighted effects on a person's intention to behave".
In spite of the improvement, it is suggested that TRA and TPB only provides an account of the determinants of behavior when both motivation and opportunity to process information are high. Further research demonstrating the casual relationships among the variables in TPB and any expansions of it is clearly necessary. The model also mentions little about the memory process.
Applications of the theory
The theory of reasoned action has been used in many studies as a framework for examining specific kinds of behavior such as communication behavior, consumer behavior and health behavior. Many researchers use the theory to study behaviors that are associated with high risks and danger, as well as deviant behavior. In contrast, some research has applied the theory to more normative and rational types of action. Researchers Davies, Foxall, and Pallister suggest that the theory of reasoned action can be tested if "behavior is measured objectively without drawing a connection to prior intention". Most studies, however, look at intention because of its central role in the theory.
College fraternity and sorority hazing
The theory of reasoned action has been applied to the study of whistle-blowing intentions and hazing in college organizations, specifically fraternities and sororities. Hazing is understood to be "any activity expected of someone that joins a group, which humiliates, degrades, abuses or endangers its victims". In the United States, there have been a variety of hazing incidents that have resulted in death and harm of students on several college campuses. Whistle-blowing "involves an individual with some level of unique or inside knowledge using public communication to bring attention to some perceived wrongdoing or problem. Whistle-blowing is significant to this issue because individuals who are aware of hazing incidents can come forward to university officials and make the occurrence of hazing known. In their study, Richardson et al. set out to study whistle-blowing by using the theory of reasoned action as a framework to predict whether or not individuals will come forward about report hazing incidents. Their study served to examine whether the relationships suggested by the TRA model remain true in predicting whistle blowing intentions, and if these relationships would change depending on the severity of the hazing incident.
Richardson et al. surveyed a sample of 259 students from Greek organizations at university in the Southwestern United States. The survey questions measured the different aspects of the TRA model: behavioral beliefs, outcome evaluations, attitude toward the behavior, normative beliefs, motivation to comply, subjective norms, and the consequence endogenous variable. The questions asked respondents to rate their responses on various 7 point scales. "Participants in the study responded to one of three scenarios, varying in level of severity, describing a hazing situation occurring in their fraternity or sorority". In line with the theory, the researchers wanted to identify if attitudes held about hazing, dangerous activity, and group affiliation, along with subjective norms about whistle-blowing (reactions by others, consequences of reporting the action, isolation from the group) would influence whether or not an individual would go through with reporting a hazing incident. The results of the study found that individuals were more likely to report, or whistle-blow, on hazing incidents that were more severe or harmful to individuals. Simultaneously, individuals were also concerned about the perceptions of others' attitudes towards them and the consequences they may face if they reported hazing incidents.
Knowledge sharing in companies
TRA is used to examine the communication behavior in corporations. One of the behaviors TRA helped characterize is knowledge sharing (KS) in companies. In the study conducted by Ho, Hsu, and Oh, they proposed two models to construct KS process by introducing TRA and game theory (GT). One model captures personal psychological feelings (attitudes and subjective norms), the other model not only captures personal feelings but also takes other people's decisions into consideration. By comparing the two models, researchers found that the model based on TRA has a higher predictive accuracy than the model based on TRA and GT. They concluded that employees "have a high probability of not analyzing the decisions of others", and whether taking other colleague's decision into account has a great impact on people's KS behavioral intention. It is indicated that "the more indirect decision-makers there are in organizations, the less effective is KS". To encourage KS, company managers should avoid including indirect decision-makers in the projects.
Coupon usage has also been studied through the theory of reasoned action framework by researchers interested in consumer and marketer behavior. In 1984, Terence Shimp and Alican Kavas applied this theory to coupon usage behavior, with the research premise that "coupon usage is rational, systematic, and thoughtful behavior" in contrast with other applications of the theory to more dangerous types of behavior.
The theory of reasoned action serves as a useful model because it can help examine whether "consumers' intentions to use coupons are determined by their attitudes and perceptions of whether important others think one should or should not expend the effort to clip, save, and use coupons". The consumer's behavior intentions are influenced by their personal beliefs about coupon usage, meaning whether or not they think saving money is important and are willing to spend the time clipping coupons. These potential beliefs also influenced the coupon user's thoughts about what others think about their usage of coupons. Together, the coupon user will use their own beliefs and the opinions of others to form an overall attitude towards coupon usage. To approach this study, Shimp and Alican surveyed 770 households and measured the aspects of the TRA model in terms of the participant's responses. The received responses indicated that consumers' norms are "partially determined by their personal beliefs toward coupon usage, and to an even greater extend, that attitudes are influenced by internalizations of others' beliefs". Positive attitudes towards this behavior are influenced by an individual's perceptions that their partners will be satisfied by their time spent and efforts made to save money.
TRA has been applied to redefine brand loyalty. According to the theory of reasoned action, the antecedents of purchase behaviour are attitudes towards the purchase and subjective norm. In 1998, Ha conducted a study to investigate the relationships among several antecedents of unit brand loyalty (UBL) by introducing TRA. Consumers are brand loyal when both attitude and behavior are favorable. In his study, Ha developed a table indicating 8 combinations of customers' brand loyalty based on their loyalty on 3 variables – attitude towards the behavior, subjective norm, and purchase behavior is loyal. According to Ha, marketing managers should not be discouraged by a temporary disloyalty and need to strive for grabbing brand loyalty when customers are showing loyalty to two of the three variables, but they need to rediagnose their customers' brand loyalty when customers are showing loyalty to only one of them. The main focus should be pointed at either enhancing the consumer's attitude toward their brand or adjusting their brand to the social norms.
TRA has also been used to study consumer attitudes towards renewable energy. In 2000, Bang, et. al found that people who cared about environmental issues like pollution were more willing to spend more for renewable energy. Similarly, a 2008 study of Swedish consumers by Hansla et. al showed that those who with a positive view of renewable energy were more willing to spend money on sustainable energy for their homes. These studies are evidence that the emotional response people have towards a topic affects their attitude, which in turn affects their behavioral intent. These studies also provide examples for how the TRA is used to market goods that might not make the most sense from a strictly economic perspective.
TRA has been frequently used as a framework and predictive mechanism of applied research on sexual behavior, especially in prevention of sexually transmitted disease such as HIV. In 2001, Albarracín, Johnson, Fishbein, and Muellerleile applied theory of reasoned action (TRA) and theory of planned behavior (TPB) into studying how well the theories predict condom use. To be consistent with TRA, the authors synthesized 96 data sets (N = 22,594), and associate every component in condom use with certain weight. Their study indicates that the theories of reasoned action and planned behavior are highly successful predictors of condom use. According to their discussion, "people are more likely to use condoms if they have previously formed the corresponding intentions. These intentions to use condoms appear to derive from attitudes, subjective norms, and perceived behavioral control. These attitudes and norms, in turn, appear to derive from outcome and normative beliefs. Nevertheless, whether behavior was assessed retrospectively or prospectively was an important moderator that influenced the magnitude of the associations between theoretically important variables."
Sexual behavior in teenage girls
In 2011, W.M. Doswell, Braxter, Cha, and Kim examined sexual behavior in African American teenage girls and applied the theory as a framework for understanding this behavior. The theory of reasoned action can explain these behaviors in that teens' behavioral intentions to engage in early sexual behavior are influenced by their pre-existing attitudes and subjective norms of their peers. Attitudes in this context are favorable or unfavorable dispositions towards teenage sexual behavior. Subjective norms are the perceived social pressure teenagers feel from their friends, classmates, and other peer groups to engage in sexual behavior. As a framework, the TRA suggests that adolescents will participate in early behavior because of their own attitudes towards the behavior and the subjective norms of their peers. In this case, intention is the willful plan to perform early sexual behavior. Findings from the student showed that the TRA was supportive in predicting early sexual behavior among African American teenage girls. Attitudes towards sex and subjective norms both correlated with intentions to participate in early sexual behavior in the study's sample.
Pediatricians, parents and HPV vaccinations
A 2011 study examining pediatricians' behaviors surrounding the Human Papillomavirus (HPV) vaccine found that TRA predicted the pediatricians would encourage parents to get their daughters vaccinated. Roberto, Krieger, Katz, Goei, and Jain discovered that the norms surrounding this topic were more important in predicting behavior than perceived behavioral control.
The public health community, interested in reducing rising obesity rates, has used TRA to study people's exercise behavior. A 1981 study by Bentler and Speckart revealed that intent to exercise was determined by a person's attitude toward exercise, as predicted by TRA. In a broader literature review on the study of exercise using TRA and TPB, it was determined that behavioral intent to exercise is better framed by TRA than TPB because perceived behavioral control did not have a significant effect on the intent to exercise.
According to Fishbein's and Ajzen's original (1967) formulation of TRA, a behavioral intention measure will predict the performance of any voluntary act, unless intent changes prior to performance or unless the intention measure does not correspond to the behavioral criterion in terms of action, target, context, time-frame and/or specificity. The model of TRA has been challenged by studies determined to examine its limitation and inadequacy.
The major problem of TRA is pointed out to be the ignorance of the connections between individuals, both the interpersonal and social relations in which they act, and the broader social structures which govern social practice. Although TRA recognizes the importance of social norms, strategies are limited to a consideration of individual perceptions of these social phenomena. Individual's belief, attitudes and understandings are constituted activity, therefore the distinction of the two factors is ambiguous. Furthermore, social change may be generational rather than the sum of individual change. TRA fails to capture the social processes of change and the social nature of the change itself: a model in which people collectively appropriate and construct new meanings and practice.
Additionally, the habituation of past behavior also tends to reduce the impact that intention has on behavior as the habit increases. Gradually, the performance of the behavior become less of a rational, initiative behavior and more of a learned response. In addition, intention appears to have a direct effect on behavior in the short term only. Besides, the analysis of the conceptual basis also raises concerns. It is criticized that the model does not enable the generation of hypothesis because of their ambiguity. The model focuses on analytic truth rather than synthetic one, therefore the conclusions resulting from those applications are often true by definition rather than by observation which makes the model unfalsifiable. The strengths of attitudes toward a behavior (social/personal) and subjective norms also vary cross-culturally while the process by which the behavior engaged remains the same. An example of this is shown in a cross-cultural study on fast food choices, where people from Western cultures were found to be more influenced by their prior choice of restaurant than people from Eastern cultures. This would suggest that people from different cultures weight subjective norms and existing attitudes differently. A closer examination of the cross-cultural communication process will benefit and complete the understanding of theory of reasoned action.
- Behavioural change theories (overview article)
- Reasoned action approach (the last revision of the theory)
- Technology acceptance model
- Theory of planned behavior
- The other two classic models of persuasion: 1) Cognitive dissonance 2) Social judgment theory
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