Morality (from the Latin moralitas "manner, character, proper behavior") is the differentiation of intentions, decisions, and actions between those that are good or right and those that are bad or wrong. Morality can be a body of standards or principles derived from a code of conduct from a particular philosophy, religion, or culture, or it can derive from a standard that a person believes should be universal. Morality may also be specifically synonymous with "goodness" or "rightness."
Moral philosophy includes moral ontology, or the origin of morals, as well as moral epistemology, or what is known about morals. Different systems of expressing morality have been proposed, including deontological ethical systems which adhere to a set of established rules, and normative ethical systems which consider the merits of actions themselves. An example of normative ethical philosophy is the Golden Rule which states that, "One should treat others as one would like others to treat oneself."
Immorality is the active opposition to morality (i.e. opposition to that which is good or right), while amorality is variously defined as an unawareness of, indifference toward, or disbelief in any set of moral standards or principles.
- 1 Philosophy
- 2 Anthropology
- 3 Evolution
- 4 Neuroscience
- 5 Psychology
- 6 Morality and politics
- 7 Morality and religion
- 8 See also
- 9 Notes
- 10 References
- 11 Further reading
- 12 External links
Ethics (also known as moral philosophy) is the branch of philosophy which addresses questions of morality. The word "ethics" is "commonly used interchangeably with 'morality' ... and sometimes it is used more narrowly to mean the moral principles of a particular tradition, group, or individual." Likewise, certain types of ethical theories, especially deontological ethics, sometimes distinguish between ethics and morals: "Although the morality of people and their ethics amounts to the same thing, there is a usage that restricts morality to systems such as that of Kant, based on notions such as duty, obligation, and principles of conduct, reserving ethics for the more Aristotelian approach to practical reasoning, based on the notion of a virtue, and generally avoiding the separation of 'moral' considerations from other practical considerations."
Descriptive and normative
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In its descriptive sense, "morality" refers to personal or cultural values, codes of conduct or social mores. It does not connote objective claims of right or wrong, but only refers to that which is considered right or wrong. Descriptive ethics is the branch of philosophy which studies morality in this sense.
In its normative sense, "morality" refers to whatever (if anything) is actually right or wrong, which may be independent of the values or mores held by any particular peoples or cultures. Normative ethics is the branch of philosophy which studies morality in this sense.
Realism and anti-realism
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Philosophical theories on the nature and origins of morality (that is, theories of meta-ethics) are broadly divided into two classes:
- Moral realism is the class of theories which hold that there are true moral statements that report objective moral facts. For example, while they might concede that forces of social conformity significantly shape individuals' "moral" decisions, they deny that those cultural norms and customs define morally right behavior. This may be the philosophical view propounded by ethical naturalists, however not all moral realists accept that position (e.g. ethical non-naturalists).
- Moral anti-realism, on the other hand, holds that moral statements either fail or do not even attempt to report objective moral facts. Instead, they hold that moral sentences are either categorically false claims of objective moral facts (error theory); claims about subjective attitudes rather than objective facts (ethical subjectivism); or else not attempts to describe the world at all but rather something else, like an expression of an emotion or the issuance of a command (non-cognitivism).
Some forms of non-cognitivism and ethical subjectivism, while considered anti-realist in the robust sense used here, but are considered realist in the sense synonymous with moral universalism. For example, universal prescriptivism is a universalist form of non-cognitivism which claims that morality is derived from reasoning about implied imperatives, and divine command theory and ideal observer theory are universalist forms of ethical subjectivism which claim that morality is derived from the edicts of a god or the hypothetical decrees of a perfectly rational being, respectively.
Tribal and territorial
Celia Green made a distinction between tribal and territorial morality. She characterizes the latter as predominantly negative and proscriptive: it defines a person’s territory, including his or her property and dependents, which is not to be damaged or interfered with. Apart from these proscriptions, territorial morality is permissive, allowing the individual whatever behaviour does not interfere with the territory of another. By contrast, tribal morality is prescriptive, imposing the norms of the collective on the individual. These norms will be arbitrary, culturally dependent and ‘flexible’, whereas territorial morality aims at rules which are universal and absolute, such as Kant’s ‘categorical imperative’ and Geisler's graded absolutism. Green relates the development of territorial morality to the rise of the concept of private property, and the ascendancy of contract over status.
In-group and out-group
Some observers hold that individuals apply distinct sets of moral rules to people depending on their membership of an "in-group" (the individual and those they believe to be of the same culture or race) or an "out-group" (people not entitled to be treated according to the same rules). Some biologists, anthropologists and evolutionary psychologists believe this in-group/out-group discrimination has evolved because it enhances group survival. This belief has been confirmed by simple computational models of evolution. In simulations this discrimination can result in both unexpected cooperation towards the in-group and irrational hostility towards the out-group. Gary R. Johnson and V.S. Falger have argued that nationalism and patriotism are forms of this in-group/out-group boundary. Jonathan Haidt has noted that experimental observation indicating an in-group criterion provides one moral foundation substantially used by conservatives, but far less so by liberals.
Peterson and Seligman approach the anthropological view looking across cultures, geo-cultural areas and across millennia. They conclude that certain virtues have prevailed in all cultures they examined. The major virtues they identified include wisdom / knowledge; courage; humanity; justice; temperance; and transcendence. Each of these includes several divisions. For instance humanity includes love, kindness, and social intelligence.
Fons Trompenaars, author of Did the Pedestrian Die?, tested members of different cultures with various moral dilemmas. One of these was whether the driver of a car would have his friend, a passenger riding in the car, lie in order to protect the driver from the consequences of driving too fast and hitting a pedestrian. Trompenaars found that different cultures had quite different expectations (from none to almost certain).
John Newton, author of Complete Conduct Principles for the 21st Century  compared the Eastern and the Western cultures about morality. As stated in Complete Conduct Principles for the 21st Century, “One of the important objectives of this book is to blend harmoniously the fine souls regarding conduct in the Eastern and the Western cultures, to take the result as the source and then to create newer and better conduct principles to suit the human society of the new century, and to introduce a lot of Chinese fine conduct spirits to the Western world. It is hoped that this helps solve lots of problems the human society of the 21st century faces, including (but not limited to the Eastern and the Western cultures) what a single culture cannot.”
The development of modern morality is a process closely tied to sociocultural evolution. Some evolutionary biologists, particularly sociobiologists, believe that morality is a product of evolutionary forces acting at an individual level and also at the group level through group selection (although to what degree this actually occurs is a controversial topic in evolutionary theory). Some sociobiologists contend that the set of behaviors that constitute morality evolved largely because they provided possible survival and/or reproductive benefits (i.e. increased evolutionary success). Humans consequently evolved "pro-social" emotions, such as feelings of empathy or guilt, in response to these moral behaviors.
On this understanding, moralities are sets of self-perpetuating and biologically-driven behaviors which encourage human cooperation. Biologists contend that all social animals, from ants to elephants, have modified their behaviors, by restraining immediate selfishness in order to improve their evolutionary fitness. Human morality, although sophisticated and complex relative to other animals, is essentially a natural phenomenon that evolved to restrict excessive individualism that could undermine a group's cohesion and thereby reducing the individuals' fitness.
On this view, moral codes are ultimately founded on emotional instincts and intuitions that were selected for in the past because they aided survival and reproduction (inclusive fitness). Examples: the maternal bond is selected for because it improves the survival of offspring; the Westermarck effect, where close proximity during early years reduces mutual sexual attraction, underpins taboos against incest because it decreases the likelihood of genetically risky behaviour such as inbreeding.
The phenomenon of reciprocity in nature is seen by evolutionary biologists as one way to begin to understand human morality. Its function is typically to ensure a reliable supply of essential resources, especially for animals living in a habitat where food quantity or quality fluctuates unpredictably. For example, some vampire bats fail to feed on prey some nights while others manage to consume a surplus. Bats that did eat will then regurgitate part of their blood meal to save a conspecific from starvation. Since these animals live in close-knit groups over many years, an individual can count on other group members to return the favor on nights when it goes hungry (Wilkinson, 1984)
Marc Bekoff and Jessica Pierce (2009) have argued that morality is a suite of behavioral capacities likely shared by all mammals living in complex social groups (e.g., wolves, coyotes, elephants, dolphins, rats, chimpanzees). They define morality as "a suite of interrelated other-regarding behaviors that cultivate and regulate complex interactions within social groups." This suite of behaviors includes empathy, reciprocity, altruism, cooperation, and a sense of fairness. In related work, it has been convincingly demonstrated that chimpanzees show empathy for each other in a wide variety of contexts. They also possess the ability to engage in deception, and a level of social politics prototypical of our own tendencies for gossip and reputation management.
Christopher Boehm (1982) has hypothesized that the incremental development of moral complexity throughout hominid evolution was due to the increasing need to avoid disputes and injuries in moving to open savanna and developing stone weapons. Other theories are that increasing complexity was simply a correlate of increasing group size and brain size, and in particular the development of theory of mind abilities. Richard Dawkins in The God Delusion suggested that our morality is a result of our biological evolutionary history and that the moral Zeitgeist helps describe how morality evolves from biological and cultural origins and evolves with time within a culture.
A British poll found that the most important moral points among young people were looking after ones family and putting others before yourself.
The brain areas that are consistently involved when humans reason about moral issues have been investigated by a quantitative large-scale meta-analysis of the brain activity changes reported in the moral neuroscience literature. In fact, the neural network underlying moral decisions overlapped with the network pertaining to representing others' intentions (i.e., theory of mind) and the network pertaining to representing others' (vicariously experienced) emotional states (i.e., empathy). This supports the notion that moral reasoning is related to both seeing things from other persons’ points of view and to grasping others’ feelings. These results provide evidence that the neural network underlying moral decisions is probably domain-global (i.e., there might be no such things as a "moral module" in the human brain) and might be dissociable into cognitive and affective sub-systems.
The explicit making of moral right and wrong judgments coincides with activation in the ventromedial prefrontal cortex (VMPC) while intuitive reactions to situations containing implicit moral issues activates the temporoparietal junction area. Stimulation of the VMPC by transcranial magnetic stimulation, has been shown to inhibit the ability of human subjects to take into account intent when forming a moral judgment. Similarly VMPC-impaired persons will judge an action purely on its outcome and are unable to take into account the intent of that action.
Mirror neurons are neurons in the brain that fire when another person is observed doing a certain action. The neurons fire in imitation of the action being observed, causing the same muscles to act minutely in the observer as are acting grossly in the person actually performing the action. Research on mirror neurons, since their discovery in 1996, suggests that they may have a role to play not only in action understanding, but also in emotion sharing empathy. Cognitive neuro-scientist Jean Decety thinks that the ability to recognize and vicariously experience what another individual is undergoing was a key step forward in the evolution of social behavior, and ultimately, morality. The inability to feel empathy is one of the defining characteristics of psychopathy, and this would appear to lend support to Decety's view.
In modern moral psychology, morality is considered to change through personal development. A number of psychologists have produced theories on the development of morals, usually going through stages of different morals. Lawrence Kohlberg, Jean Piaget, and Elliot Turiel have cognitive-developmental approaches to moral development; to these theorists morality forms in a series of constructive stages or domains. Social psychologists such as Martin Hoffman and Jonathan Haidt emphasize social and emotional development based on biology, such as empathy. Moral identity theorists, such as William Damon and Mordechai Nisan, see moral commitment as arising from the development of a self-identity that is defined by moral purposes: this moral self-identity leads to a sense of responsibility to pursue such purposes. Of historical interest in psychology are the theories of psychoanalysts such as Sigmund Freud, who believe that moral development is the product of aspects of the super-ego as guilt-shame avoidance.
Even though we have a sense of responsibility to pursue moral purposes,[according to whom?] we still, at least occasionally, engage in immoral behaviour. Such behaviours jeopardize our moral self-image; however, when we engage in immoral behaviours we still feel as though we are moral individuals. Moral self-licensing attempts to explain this phenomenon and proposes that self-image security increases our likelihood to engage in immoral behaviour. When our moral self-image is threatened, we can gain confidence from our past moral behaviour. The more confident we are, the less we will worry about our future behaviour which actually increases the likelihood that we will engage in immoral behaviours.
Monin and Miller (2001) examined the moral self-licensing effect and found that when participants established credentials as non-prejudiced persons, they were more willing to express politically incorrect opinions despite the fact that the audience was unaware of their credentials.
Morality and politics
If morality is the answer to the question 'how ought we to live' at the individual level, politics can be seen as addressing the same question at the social level, though the political sphere raises additional problems and challenges. It is therefore unsurprising that evidence has been found of a relationship between attitudes in morality and politics. Jonathan Haidt and Jesse Graham have studied the differences between liberals and conservatives, in this regard. Haidt found that Americans who identified as liberals tended to value care and fairness higher than loyalty, respect and purity. Self-identified conservative Americans valued care and fairness less and the remaining three values more. Both groups gave care the highest over-all weighting, but conservatives valued fairness the lowest, whereas liberals valued purity the lowest. Haidt also hypothesizes that the origin of this division in the United States can be traced to geohistorical factors, with conservatism strongest in closely knit, ethnically homogenous communities, in contrast to port-cities, where the cultural mix is greater, thus requiring more liberalism.
Group morality develops from shared concepts and beliefs and is often codified to regulate behavior within a culture or community. Various defined actions come to be called moral or immoral. Individuals who choose moral action are popularly held to possess "moral fiber", whereas those who indulge in immoral behavior may be labeled as socially degenerate[disambiguation needed]. The continued existence of a group may depend on widespread conformity to codes of morality; an inability to adjust moral codes in response to new challenges is sometimes credited with the demise of a community (a positive example would be the function of Cistercian reform in reviving monasticism; a negative example would be the role of the Dowager Empress in the subjugation of China to European interests). Within nationalist movements, there has been some tendency to feel that a nation will not survive or prosper without acknowledging one common morality, regardless of its content. Political Morality is also relevant to the behaviour internationally of national governments, and to the support they receive from their host population. Noam Chomsky states that 
|“||... if we adopt the principle of universality : if an action is right (or wrong) for others, it is right (or wrong) for us. Those who do not rise to the minimal moral level of applying to themselves the standards they apply to others—more stringent ones, in fact—plainly cannot be taken seriously when they speak of appropriateness of response; or of right and wrong, good and evil.||”|
|“||In fact, one of the, maybe the most, elementary of moral principles is that of universality, that is, If something's right for me, it's right for you; if it's wrong for you, it's wrong for me. Any moral code that is even worth looking at has that at its core somehow.||”|
Morality and religion
Religion and morality are not synonymous. Morality does not depend upon religion although this is "an almost automatic assumption." According to The Westminster Dictionary of Christian Ethics, religion and morality "are to be defined differently and have no definitional connections with each other. Conceptually and in principle, morality and a religious value system are two distinct kinds of value systems or action guides."
Within the wide range of moral traditions, religious value systems co-exist with contemporary secular frameworks such as consequentialism, freethought, humanism, utilitarianism, and others. There are many types of religious value systems. Modern monotheistic religions, such as Islam, Judaism, Christianity, and to a certain degree others such as Sikhism and Zoroastrianism, define right and wrong by the laws and rules set forth by their respective scriptures and as interpreted by religious leaders within the respective faith. Other religions spanning pantheistic to nontheistic tend to be less absolute. For example, within Buddhism, the intention of the individual and the circumstances should be accounted for to determine if an action is right or wrong. A further disparity between the values of religious traditions is pointed out by Barbara Stoler Miller, who states that, in Hinduism, "practically, right and wrong are decided according to the categories of social rank, kinship, and stages of life. For modern Westerners, who have been raised on ideals of universality and egalitarianism, this relativity of values and obligations is the aspect of Hinduism most difficult to understand".
Religions provide different ways of dealing with moral dilemmas. For example, there is no absolute prohibition on killing in Hinduism, which recognizes that it "may be inevitable and indeed necessary" in certain circumstances. In monotheistic traditions, certain acts are viewed in more absolute terms, such as abortion or divorce.[a] Religion is not always positively associated with morality. Philosopher David Hume stated that, "the greatest crimes have been found, in many instances, to be compatible with a superstitious piety and devotion; Hence it is justly regarded as unsafe to draw any inference in favor of a man's morals, from the fervor or strictness of his religious exercises, even though he himself believe them sincere."
Religious value systems can diverge from commonly-held contemporary moral positions, such as those on murder, mass atrocities, and slavery. For example, Simon Blackburn states that "apologists for Hinduism defend or explain away its involvement with the caste system, and apologists for Islam defend or explain away its harsh penal code or its attitude to women and infidels". In regard to Christianity, he states that the "Bible can be read as giving us a carte blanche for harsh attitudes to children, the mentally handicapped, animals, the environment, the divorced, unbelievers, people with various sexual habits, and elderly women", and notes morally suspect themes in the Bible's New Testament as well.[e] Christian apologists address Blackburn's viewpoints and construe that Jewish laws in the Jewish Bible showed the evolution of moral standards towards protecting the vulnerable, imposing a death penalty on those pursuing slavery and treating slaves as persons and not property. Elizabeth Anderson, a Professor of Philosophy and Women's Studies at the University of Michigan, Ann Arbor, holds that "the Bible contains both good and evil teachings", and it is "morally inconsistent". Humanists like Paul Kurtz believe that we can identify moral values across cultures, even if we do not appeal to a supernatural or universalist understanding of principles - values including integrity, trustworthiness, benevolence, and fairness. These values can be resources for finding common ground between believers and nonbelievers.
A number of studies have been conducted on the empirics of morality in various countries, and the overall relationship between faith and crime is unclear.[b] A 2001 review of studies on this topic found "The existing evidence surrounding the effect of religion on crime is varied, contested, and inconclusive, and currently no persuasive answer exists as to the empirical relationship between religion and crime." Phil Zuckerman's 2008 book, Society without God, notes that Denmark and Sweden, "which are probably the least religious countries in the world, and possibly in the history of the world", enjoy "among the lowest violent crime rates in the world [and] the lowest levels of corruption in the world".[c]
Dozens of studies have been conducted on this topic since the twentieth century. A 2005 study by Gregory S. Paul published in the Journal of Religion and Society stated that, "In general, higher rates of belief in and worship of a creator correlate with higher rates of homicide, juvenile and early adult mortality, STD infection rates, teen pregnancy, and abortion in the prosperous democracies," and "In all secular developing democracies a centuries long-term trend has seen homicide rates drop to historical lows" with the exceptions being the United States (with a high religiosity level) and "theistic" Portugal.[d] In a response, Gary Jensen builds on and refines Paul's study. His conclusion is that a "complex relationship" exists between religiosity and homicide "with some dimensions of religiosity encouraging homicide and other dimensions discouraging it". On April 26, 2012, the results of a study which tested their subjects' pro-social sentiments were published in the Social Psychological and Personality Science journal in which non-religious people had higher scores showing that they were more inclined to show generosity in random acts of kindness, such as lending their possessions and offering a seat on a crowded bus or train. Religious people also had lower scores when it came to seeing how much compassion motivated participants to be charitable in other ways, such as in giving money or food to a homeless person and to non-believers.
- a.^ Studies on divorce in the United States done by the Barna Group suggested that atheists and agnostics have lower divorce rates than faith groups on average (though some faith groups had lower rates still). The study notes that fewer atheists and agnostics enter into marriage relative to faith-based individuals.
- b.^ Some studies appear to show positive links in the relationship between religiosity and moral behavior Modern research in criminology also suggests an inverse relationship between religion and crime, with some studies establishing this connection. A meta-analysis of 60 studies on religion and crime concluded, "religious behaviors and beliefs exert a moderate deterrent effect on individuals’ criminal behavior".
- c.^ Zuckerman identifies that Scandinavians have "relatively high rates of petty crime and burglary", but "their overall rates of violent crime—such as murder, aggravated assault, and rape—are among the lowest on earth" (Zuckerman 2008, pp. 5–6).
- d.^ The authors also state that "A few hundred years ago rates of homicide were astronomical in Christian Europe and the American colonies," and "the least theistic secular developing democracies such as Japan, France, and Scandinavia have been most successful in these regards." They argue for a positive correlation between the degree of public religiosity in a society and certain measures of dysfunction, an analysis published later in the same journal argues that a number of methodological problems undermine any findings or conclusions in the research.
- e.^ Blackburn provides examples such as the phrase in Exodus 22:18 that has "helped to burn alive tens or hundreds of thousands of women in Europe and America": "Thou shalt not suffer a witch to live," and notes that the Old Testament God apparently has "no problems with a slave-owning society", considers birth control a crime punishable by death, and "is keen on child abuse". Others interpret these passages differently, arguing for example that Jewish laws show the evolution of moral standards in society: that Jews actually threatened those who pursued forced slavery with the death penalty, held that slaves were persons instead of property, and protected them in several ways.
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- Zuckerman, Phil. Society Without God: What the Least Religious Nations Can Tell Us about Contentment. New York: New York University Press. p. 2. ISBN 978-0-8147-9714-3. Zuckerman's work is based on his studies conducted during a 14-month period in Scandinavia in 2005–2006.
- Paul, Gregory S. (2005). "Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies: A First Look". Journal of Religion and Society (Baltimore, Maryland) 7: 4, 5, 8, and 10.
- Gary F. Jensen (2006) Department of Sociology, Vanderbilt University Religious Cosmologies and Homicide Rates among Nations: A Closer Look, Journal of Religion and Society, Volume 8, ISSN 1522-5658 http://purl.org/JRS
- Highly Religious People Are Less Motivated by Compassion Than Are Non-Believers by Science Daily
- Laura R. Saslow, Robb Willer, Matthew Feinberg, Paul K. Piff, Katharine Clark, Dacher Keltner and Sarina R. Saturn My Brother’s Keeper? Compassion Predicts Generosity More Among Less Religious Individuals
- Barna Group (31 March 2008). "New Marriage and Divorce Statistics Released". Barna Group. Retrieved 19 November 2011.
- Wicker, Christine (2000). "Survey Inspires Debate Over Why Faith Isn't a Bigger Factor in Marriage". www.adherents.com. Retrieved 1 April 2012.
- KERLEY, KENT R.; MATTHEWS; BLANCHARD, TROY C. (2005). "Religiosity, Religious Participation, and Negative Prison Behaviors". Journal for the Scientific Study of Religion 44 (4): 443–457. doi:10.1111/j.1468-5906.2005.00296.x.
- SAROGLOU, VASSILIS; PICHON; DERNELLE, REBECCA (2005). "Prosocial Behavior and Religion: New Evidence Based on Projective Measures and Peer Ratings". Journal for the Scientific Study of Religion 44 (3): 323–348. doi:10.1111/j.1468-5906.2005.00289.x.
- e.g. a survey by Robert Putnam showing that membership of religious groups was positively correlated with membership of voluntary organisations
- As is stated in: Chu, Doris C. (2007). "Religiosity and Desistance From Drug Use". Criminal Justice and Behavior 34: 661. doi:10.1177/0093854806293485.
- For example:
- Albrecht, S. I.; Chadwick, B. A.; Alcorn, D. S. (1977). "Religiosity and deviance:Application of an attitude-behavior contingent consistency model". Journal for the Scientific Study of Religion 16: 263–274. doi:10.2307/1385697.
- Burkett, S.; White, M. (1974). "Hellfire and delinquency:Another look". Journal for the Scientific Study of Religion 13: 455–462. doi:10.2307/1384608.
- Chard-Wierschem, D. (1998). In pursuit of the "true" relationship: A longitudinal study of the effects of religiosity on delinquency and substance abuse. Ann Arbor, MI: UMI Dissertation.
- Cochran, J. K.; Akers, R. L. (1989). "Beyond Hellfire:An explanation of the variable effects of religiosity on adolescent marijuana and alcohol use". Journal of Research in Crime and Delinquency 26: 198–225. doi:10.1177/0022427889026003002.
- Evans, T. D.; Cullen, F. T.; Burton, V. S.; Jr; Dunaway, R. G.; Payne, G. L.; Kethineni, S. R. (1996). "Religion, social bonds, and delinquency". Deviant Behavior 17: 43–70. doi:10.1080/01639625.1996.9968014.
- Grasmick, H. G.; Bursik, R. J.; Cochran, J. K. (1991). "Render unto Caesar what is Caesar's": Religiosity and taxpayer's inclinations to cheat". The Sociological Quarterly 32: 251–266. doi:10.1111/j.1533-8525.1991.tb00356.x.
- Higgins, P. C.; Albrecht, G. L. (1977). "Hellfire and delinquency revisited". Social Forces 55: 952–958. doi:10.1093/sf/55.4.952.
- Johnson, B. R.; Larson, D. B.; DeLi, S.; Jang, S. J. (2000). "Escaping from the crime of inner cities:Church attendance and religious salience among disadvantaged youth". Justice Quarterly 17: 377–391. doi:10.1080/07418820000096371.
- Johnson, R. E.; Marcos, A. C.; Bahr, S. J. (1987). "The role of peers in the complex etiology of adolescent drug use". Criminology 25: 323–340. doi:10.1111/j.1745-9125.1987.tb00800.x.
- Powell, K. (1997). "Correlates of violent and nonviolent behavior among vulnerable inner-city youths". Family and Community Health 20: 38–47. doi:10.1097/00003727-199707000-00006.
- Baier, C. J.; Wright, B. R. (2001). "If you love me, keep my commandments":A meta-analysis of the effect of religion on crime". Journal of Research in Crime and Delinquency 38: 3–21. doi:10.1177/0022427801038001001.
- Paul, Gregory S. (2005). "Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies: A First Look". Journal of Religion and Society (Baltimore, Maryland) 7: 4, 5, 8.
- Paul, Gregory S. (2005). "Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies: A First Look". Journal of Religion and Society (Baltimore, Maryland) 7: 11.
- Paul, Gregory S. (2005). "Cross-National Correlations of Quantifiable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies: A First Look". Journal of Religion and Society (Baltimore, Maryland) 7.
- Gerson Moreno-Riaño; Mark Caleb Smith; Thomas Mach (2006). "Religiosity, Secularism, and Social Health". Journal of Religion and Society (Cedarville University) 8.
- Blackburn, Simon (2001). Ethics: A Very Short Introduction. Oxford: Oxford University Press. pp. 10, 12. ISBN 978-0-19-280442-6.
- Churchland, Patricia Smith (2011). Braintrust : What Neuroscience Tells Us about Morality. Princeton, N.J.: Princeton University Press. ISBN 0-691-13703-X. (Reviewed in The Montreal Review)
- Richard Dawkins, "The roots of morality: why are we good?", in The God Delusion, Black Swan, 2007 (ISBN 978-0-552-77429-1).
- Harris, Sam (2010). The Moral Landscape: How Science Can Determine Human Values. New York: Free Press. ISBN 1-4391-7121-1.
- Lunn, Arnold, and Garth Lean (1964). The New Morality. London: Blandford Press.
- John Newton, Complete Conduct Principles for the 21st Century, 2000. ISBN 0967370574.
- Prinz, Jesse (Jan–Feb 2013). "Morality is a Culturally Conditioned Response". Philosophy Now.
- Stace, Walter Terence (1937). The Concept of Morals. New York: The MacMillan Company; Reprinted 1975 by permission of MacMillan Publishing Co. Inc., and also reprinted by Peter Smith Publisher Inc, January 1990. ISBN 0-8446-2990-1.
- Trompenaars, Fons (2003). Did the Pedestrian Die?: Insights from the World's Greatest Culture Guru. Oxford: Capstone. ISBN 1-84112-436-2.
- Yandell,, Keith E. (1973). God, man, and religion: readings in the philosophy of religion. McGraw-Hill. containing articles by Paterson Brown:
- "Religious Morality", (from Mind, 1963).
- "Religious Morality: a Reply to Flew and Campbell", (from Mind, 1964).
- "God and the Good", (from Religious studies, 1967).
- Ashley Welch, "Virtuous behaviors sanction later sins: people are quick to treat themselves after a good deed or healthy act" March 4, 2012.
|Wikiquote has quotations related to: Morality|
|Wikimedia Commons has media related to Moral.|
- The Stanford Encyclopedia of Philosophy on the Definition of Morality
- Boston College's Morality Lab
- Objective Morality An evolutionary approach
- Morality and Judaism, chabad.org
- Wiki site for discussing and taking action on shared morals (WorldMoralMovement.org)
- Stephen Pinker on the Psychology and Evolutionary Biology of Morality