Social identity theory
A social identity is the portion of an individual's self-concept derived from perceived membership in a relevant social group. As originally formulated by Henri Tajfel and John Turner in the 1970s and the 1980s, social identity theory introduced the concept of a social identity as a way in which to explain intergroup behaviour.
Social identity theory is best described as a theory that predicts certain intergroup behaviours on the basis of perceived group status differences, the perceived legitimacy and stability of those status differences, and the perceived ability to move from one group to another. This contrasts with occasions where the term "social identity theory" is used to refer to general theorizing about human social selves. Moreover, and although some researchers have treated it as such, social identity theory was never intended to be a general theory of social categorization. It was awareness of the limited scope of social identity theory that led John Turner and colleagues to develop a cousin theory in the form of self-categorization theory, which built on the insights of social identity theory to produce a more general account of self and group processes. The term social identity approach, or social identity perspective, is suggested for describing the joint contributions of both social identity theory and self-categorization theory.
- 1 Aspects of the theory
- 2 Development
- 3 Implications
- 4 Controversies
- 5 See also
- 6 References
- 7 External links
Aspects of the theory
The interpersonal-intergroup continuum
Social identity theory states that social behaviour will vary along a continuum between interpersonal behavior and intergroup behaviour. Completely interpersonal behaviour would be behaviour determined solely by the individual characteristics and interpersonal relationships that exists between two or more people. Completely intergroup behaviour would be behaviour determined solely by the social category memberships that apply to two or more people.
The authors of social identity theory state that purely interpersonal or purely intergroup behaviour is unlikely to be found in realistic social situations. Rather, behaviour is expected to be driven by a compromise between the two extremes. The cognitive nature of personal vs. social identities, and the relationship between them, is more fully developed in self-categorization theory. Social identity theory instead focuses on the social structural factors that will predict which end of the spectrum will most influence an individual’s behaviour, along with the forms that that behavior may take.
A key assumption in social identity theory is that individuals are intrinsically motivated to achieve positive distinctiveness. That is, individuals “strive for a positive self-concept”. As individuals to varying degrees may be defined and informed by their respective social identities (as per the interpersonal-intergroup continuum) it is further derived in social identity theory that “individuals strive to achieve or to maintain positive social identity”. It should be noted that the precise nature of this strive for positive self-concept is a matter of debate (see the self-esteem hypothesis).
Both the interpersonal-intergroup continuum and the assumption of positive distinctiveness motivation arose as outcomes of the findings of minimal group studies. In particular, it was found that under certain conditions individuals would endorse resource distributions that would maximize the positive distinctiveness of an ingroup in contrast to an outgroup at the expense of personal self-interest.
Positive distinctiveness strategies
Building on the above components, social identity theory details a variety of strategies that may be invoked in order to achieve positive distinctiveness. The individual’s choice of behaviour is posited to be dictated largely by the perceived intergroup relationship. In particular the choice of strategy is an outcome of the perceived permeability of group boundaries (e.g., whether a group member may pass from a low status group into a high status group), as well as the perceived stability and legitimacy of the intergroup status hierarchy. The self-enhancing strategies detailed in social identity theory are detailed below. Importantly, although these are viewed from the perspective of a low status group member, comparable behaviours may also be adopted by high status group members.
It is predicted that under conditions where the group boundaries are considered permeable individuals are more likely to engage in individual mobility strategies. That is, individuals “disassociate from the group and pursue individual goals designed to improve their personal lot rather than that of their ingroup”.
Where group boundaries are considered impermeable, and where status relations are considered reasonably stable, individuals are predicted to engage in social creativity behaviours. Here, low-status ingroup members are still able to increase their positive distinctiveness without necessarily changing the objective resources of the ingroup or the outgroup. This may be achieved by comparing the ingroup to the outgroup on some new dimension, changing the values assigned to the attributes of the group, and choosing an alternative outgroup by which to compare the ingroup.
Here an ingroup seeks positive distinctiveness via direct competition with the outgroup in the form of ingroup favoritism. It is considered competitive in that in this case favoritism for the ingroup occurs on a value dimension that is shared by all relevant social groups (in contrast to social creativity scenarios). Social competition is predicted to occur when group boundaries are considered impermeable, and when status relations are considered to be reasonably unstable. Although not privileged in the theory, it is this positive distinctiveness strategy that has received the greatest amount of attention.
By the late 1920s the collectivist perspective had all but disappeared from mainstream social psychology. Around the time of the first formal statement of social identity theory, Tajfel wrote this on the state of social psychology:
- “Thus, social categorization is still conceived as a haphazardly floating ‘independent variable’ which strikes at random as the spirit moves it. No links are made or attempted, between the conditions determining its presence and mode of operation, and its outcomes in widely diffused commonalities of social behaviour. Why, when and how is social categorisation salient or not salient? What kind of shared constructions of social reality, mediated through social categorization, lead to a social climate in which large masses of people feel they are in long-term conflict with other masses? What, for example, are the psychological transitions from a stable to an unstable social system?” (Original emphasis, p. 188)
Thus, social identity theory in part reflects a desire to reestablish a more collectivist approach to social psychology of the self and social groups.
In-group favoritism (also known as "ingroup bias", despite Turner's objections to the term) is an effect where people give preferential treatment to others when they are perceived to be in the same ingroup. Social identity attributes the cause of ingroup favoritism to a psychological need for positive distinctiveness and describes the situations where ingroup favoritism is likely to occur (as a function of perceived group status, legitimacy, stability, and permeability). It has been shown via the minimal group studies that ingroup favoritism may occur for both arbitrary ingroups (e.g. a coin toss may split participants into a 'heads' group and a 'tails' group) as well as non-arbitrary ingroups (e.g. ingroups based on cultures, genders, sexual orientation, and first languages).
Continued study into the relationship between social categorization and ingroup favoritism has explored the relative prevalences of the ingroup favoritism vs. outgroup discrimination, explored different manifestations of ingroup favoritism, and has explored the relationship between ingroup favoritism and other psychological constraints (e.g., existential threat).
Social identity theory proposes that people are motivated to achieve and maintain positive concepts of themselves. Some researchers, including Michael Hogg and Dominic Abrams, thus propose a fairly direct relationship between positive social identity and self-esteem. In what has become known as the "self-esteem hypothesis", self-esteem is predicted to relate to in-group bias in two ways. Firstly, successful intergroup discrimination elevates self-esteem. Secondly, depressed or threatened self-esteem promotes intergroup discrimination. Empirical support for these predictions has been mixed.
Some social identity theorists, including John Turner, consider the self-esteem hypothesis as not canonical to social identity theory. In fact, the self-esteem hypothesis is argued to be conflictual with the tenets of the theory. It is argued that the self-esteem hypothesis misunderstands the distinction between a social identity and a personal identity. Along those lines, John Turner and Penny Oakes argue against an interpretation of positive distinctiveness as a straight forward need for self-esteem or “quasi-biological drive toward prejudice”. They instead favour a somewhat more complex conception of positive self-concept as a reflection of the ideologies and social values of the perceiver. Additionally, it is argued that the self-esteem hypothesis neglects the alternative strategies to maintaining a positive self-concept that are articulated in social identity theory (i.e., individual mobility and social creativity).
In what has been dubbed the Positive-Negative Asymmetry Phenomenon, researchers have shown that punishing the out-group benefits self-esteem less than rewarding the in-group. From this finding it has been extrapolated that social identity theory is therefore unable to deal with bias on negative dimensions. Social identity theorists, however, point out that for ingroup favouritism to occur a social identity “must be psychologically salient”, and that negative dimensions may be experienced as a “less fitting basis for self-definition”. This important qualification is subtly present in social identity theory, but is further developed in self-categorization theory. Empirical support for this perspective exist. It has been shown that when experiment participants can self-select negative dimensions that define the ingroup no positive–negative asymmetry is found.
It has been posited that social identity theory suggests that similar groups should have an increased motivation to differentiate themselves from each other. Subsequently, empirical findings where similar groups are shown to possess increased levels of intergroup attraction and decreased levels of in-group bias have been interpreted as problematic for the theory. Elsewhere it has been suggested that this apparent inconsistency may be resolved by attending to social identity theory’s emphasis on the importance of the perceived stability and legitimacy of the intergroup status hierarchy.
Social identity theory has been criticised for having far greater explanatory power than predictive power. That is, while the relationship between independent variables and the resulting intergroup behaviour may be consistent with the theory in retrospect, that particular outcome is often not that which was predicted at the outset. A rebuttal to this charge is that the theory was never advertised as the definitive answer to understanding intergroup relationships. Instead it is stated that social identity theory must go hand in hand with sufficient understanding of the specific social context under consideration. The latter argument is consistent with the explicit importance that the authors of social identity theory placed on the role of "objective" factors, stating that in any particular situation "the effects of [social identity theory] variables are powerfully determined by the previous social, economic, and political processes".
Some researchers interpret social identity theory as drawing a direct link between identification with a social group and ingroup favoritism. For example, Charles Stangor and John Jost state that “a main premise of social identity theory is that ingroup members will favour their own group over other groups”. This interpretation is rejected by other researchers. For example, Alex Haslam states that “although vulgarized versions of social identity theory argue that ‘social identification leads automatically to discrimination and bias’, in fact…discrimination and conflict are anticipated only in a limited set of circumstances”. The likening of social identity theory with social competition and ingroup favouritism is partly attributable to the fact that early statements of the theory included empirical examples of ingroup favouritism, while alternative positive distinctiveness strategies (e.g., social creativity) were at that stage theoretical assertions. Regardless, in some circles the prediction of a straightforward identification-bias correlation has earned the pejorative title "social identity theory-lite".
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- Mind Changers: Henri Tajfel's Minimal Groups: BBC Radio programme about the origins of the theory