<P> Hygiene Manners--are any manners which affect disease transmission . They are likely to be taught at an early age, primarily through parental discipline, positive behavioral enforcement of continence with bodily fluids (such as toilet training), and the avoidance or removal of items that pose a disease risk for children . It is expected that, by adulthood, hygiene manners are so entrenched in one's behavior that they become second nature . Violations are likely to elicit disgust responses . </P> <P> Courtesy Manners--demonstrate one's ability to put the interests of others before oneself; to display self - control and good intent for the purposes of being trusted in social interactions . Courtesy manners help to maximize the benefits of group living by regulating social interaction . Disease avoidance behavior can sometimes be compromised in the performance of courtesy manners . They may be taught in the same way as hygiene manners but are likely to also be learned through direct, indirect (i.e. observing the interactions of others) or imagined (i.e. through the executive functions of the brain) social interactions . The learning of courtesy manners may take place at an older age than hygiene manners, because individuals must have at least some means of communication and some awareness of self and social positioning . The violation of courtesy manners most commonly results in social disapproval from peers . </P> <P> Cultural Norm Manners--typically demonstrate one's identity within a specific socio - cultural group . Adherence to cultural norm manners allows for the demarcation of socio - cultural identities and the creation of boundaries which inform who is to be trusted or who is to be deemed as' other' . Cultural norm manners are learnt through the enculturation and routinisation of' the familiar' and through exposure to' otherness' or those who are identified as foreign or different . Transgressions and non-adherence to cultural norm manners commonly result in alienation . Cultural norms, by their very nature, have a high level of between - group variability but are likely to be common to all those who identify with a given group identity . </P> <P> Rules of etiquette encompass most aspects of social interaction in any society, though the term itself is not commonly used . A rule of etiquette may reflect an underlying ethical code, or it may reflect a person's fashion or status . Rules of etiquette are usually unwritten, but aspects of etiquette have been codified from time to time . </P>

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