Self-categorization theory: Difference between revisions

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'''Self-categorization theory''' is a [[social psychological]] theory that describes the circumstances under which a person will perceive collections of people (including themselves) as a group, as well as the consequences of perceiving people in group terms.<ref name="Haslam (1997)">{{cite journal|last=Haslam|first=S. A.|title=Stereotyping and social influence: Foundations of stereotype consensus|journal=The social psychology of stereotyping and group life|year=1997|pages=119–143|editor1-first=R.|editor1-last=Spears|editor2-first=P.J.|editor2-last=Oakes|editor3-first=N.|editor3-last=Ellemers|editor4-first=S.A.|display-editors = 3 |editor4-last=Haslam|publisher=Blackwell|___location=Oxford}}</ref> Although the theory is often introduced as an explanation of psychological group formation (which was one of its early goals), it is more accurately thought of as general analysis of the functioning of [[categorization]] processes in [[social perception]] and interaction that speaks to issues of individual identity as much as group phenomena.<ref name="Oakes et al. (1994).">{{cite book | last1 = Oakes | first1 = Penny | last2 = Haslam | first2 = Alex | last3 = Turner | first3 = John | title = Stereotyping and social reality | year = 1994 | publisher = Oxford | ___location = Blackwell}}</ref>

The theory was developed by [[John C. Turner|John Turner]] and colleagues, and along with [[social identity theory]] it is a constituent part of the [[social identity approach]]. It was in part developed to address questions that arose in response to social identity theory about the mechanistic underpinnings of social identification.<ref name="Turner & Oakes (1986).">{{cite journal|last = Turner|first = John|last2=Oakes|first2=Penny|title = The significance of the social identity concept for social psychology with reference to individualism, interactionism and social influence|journal = British Journal of Social Psychology|volume = 25| issue = 3| pages = 237–252|year = 1986|doi=10.1111/j.2044-8309.1986.tb00732.x}}</ref><ref name="Haslam et al. (1996).">{{cite journal | last1 = Haslam | first1 = Alex | last2 = Oakes | first2 = Penny | last3 = Turner | first3 = John | last4 = McGarty | first4 = Craig | editor-last = Sorrentino | editor-first = Richard | editor2-last = Higgins | editor2-first = Edward | year = 1996 | title = Social identity, self-categorization, and the perceived homogeneity of ingroups and outgroups: The interaction between social motivation and cognition | journal = Handbook of motivation and cognition: the interpersonal context, Handbook of motivation and cognition | volume = 3 | pages = 182–222 | ___location = New York | publisher = Guilford Press}}</ref><ref name="Turner (1999)">{{cite journal|last=Turner|first=J. C.|title=Some current issues in research on social identity and self-categorization theories|journal=Social identity|year=1999|pages=6–34|editor1-first=N.|editor1-last=Ellemers|editor2-first=R.|editor2-last=Spears|editor3-first=B.|editor3-last=Doosje|publisher=Blackwell|___location=Oxford}}</ref><ref name="Haslam, A. S. (2001).">[[Alex Haslam|Haslam, A. S.]] (2001). Psychology in Organizations. London, SAGE Publications.</ref> For example, what makes people define themselves in terms of one group membership rather than another?<ref name="Haslam, A. S. (2001)."/>

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Self-categorization theory provides an account of social influence.<ref name="Haslam, A. S. (2001)."/><ref name="Haslam, et al. (2011)."/><ref name="Turner, J. C. et al. (1987)."/><ref name="Turner (1985)"/><ref name="Turner (1982)"/><ref name="Turner, J. C. (1991)">Turner, J. C. (1991). Social influence. Milton Keynes: Open University Press.</ref> This account is sometimes referred to as the theory of ''referent informational influence''.<ref name="Turner, J. C. et al. (1987)."/><ref name="Turner (1985)"/><ref name="Turner (1982)"/> According to self-categorization theory, as social identities become salient, and depersonalization and self-stereotyping occurs, people adopt the norms, beliefs, and behaviors of fellow ingroup members. They also distance themselves from the norms, beliefs, and behaviors of comparison outgroup members. When someone observes a difference between themselves and a fellow ingroup member that person will experience subjective uncertainty. That uncertainty can be resolved by either a) recategorizing people or the situation to reflect those perceived differences, or b) engaging in a social influence process whereby one person makes changes to become more similar to the other. Which person adopts the views or behaviors of the other (i.e. who influences who) is predicted to be that person who is most prototypical of the ingroup. In other words, the person who exemplifies the norms, values, and behaviors of the ingroup the most. The self-categorization theory account of social influence has received a large amount of empirical support.<ref name="McGarty & Turner (1992).">{{cite journal|last1 = McGarty|first1 = C.|last2=Turner|first2=J. C. |title = The effects of categorization on social judgement|journal = British Journal of Social Psychology|volume = 31|issue = 4| pages = 253–268|year = 1992|doi=10.1111/j.2044-8309.1992.tb00971.x}}</ref><ref name="Makie & Wright (2001)">{{cite journal | last1 = Mackie | first1 =D. M. | last2 = Wright | first2 = C. L. | editor1-last = Brown | editor1-first = Rupert | editor2-last = Gaertner |editor2-first = Sam L. | year = 2001 | chapter = Social Influence in an Intergroup context |chapter-url=http://books.google.com/books?id=LNZHf3K4xzMC&pg=PA281| title = Blackwell Handbook of Social Psychology: Intergroup Processes |url=http://books.google.com/books?id=LNZHf3K4xzMC| volume = 3 | issue = 1 |isbn=978-0-470-69270-7 }}</ref><ref>{{cite journal|last1=Livingstone|first1=A. G.|last2=Haslam|first2=S. A.|last3=Postmes|first3=T.|last4=Jetten|first4=J.|title="We Are, Therefore We Should": Evidence That In-Group Identification Mediates the Acquisition of In-Group Norms|journal=Journal of Applied Social Psychology|year=2011|volume=41|issue=8|pages=1857–1876|doi=10.1111/j.1559-1816.2011.00794.x}}</ref>

Self-categorization theory’s account of social influence differs from other social psychological approaches to social influence. It rejects the traditional distinction between [[informational influence]] and [[normative influence]],<ref name="Turner & Oakes (1986)."/><ref name="Turner, J. C. et al. (1987)."/><ref name="Turner (1985)"/><ref name="Turner, J. C. (1991)"/><ref name="Turner & Oakes, (1997)">{{cite journal | last1 = Turner | first1 = J. C. | last2 = Oakes | first2 = P. J. | editor1-last = McGarty | editor1-first = C. | editor2-last = Haslam | editor2-first = S. A. | year = 1997 | title = The socially structured mind | journal = The message of social psychology | pages = 355–373 | ___location = Cambridge, MA | publisher = Blackwell }}</ref> where informational influence involves the assessment of social information based on its merit and normative influence involves public compliance to the expectations of group members. For self-categorization theory social information does not have merit independent of self-categorization. Instead, information is perceived as valid to the extent that it is perceived to be a normative belief of the ingroup. Normative influence, on the other hand, is not normative at all. Rather, it is counter-normative influence based compliance to expectations of psychological outgroup members. In a similar vein self-categorization theory also challenges the distinction between objective reality testing and social reality testing (e.g. the [[elaboration likelihood model]]).<ref name="Oakes et al. (1994)."/><ref name="Turner & Oakes (1986)."/><ref name="Turner, J. C. et al. (1987)."/><ref name="Turner (1985)"/><ref name="Turner (1982)"/><ref name="Turner, J. C. (1991)"/><ref name="Turner & Oakes, (1997)"/><ref name="Oakes & Reynolds (1997)">{{cite journal|last1=Oakes|first1=P. J.|last2=Reynolds|first2=R. J.|title=Asking the accuracy question: is measurement the answer?|journal=The social psychology of stereotyping and group life|year=1997|pages=119–143|editor1-first=R.|editor1-last=Spears|editor2-first=P.J.|editor2-last=Oakes|editor3-first=N.|editor3-last=Ellemers|editor4-first=S.A.|display-editors = 3 |editor4-last=Haslam|publisher=Blackwell|___location=Oxford}}</ref> It argues that there is no such thing as objective reality testing isolated from social reality testing. Sensory data is always interpreted with respect of the beliefs and ideas of the perceiver, which in turn are bound up in the psychological group memberships of that perceiver.

===Out-group homogeneity===