<p>Intergroup relations are characterised by favourable and unfavourable biases. Towards one’s own group these biases are mostly favourable – ingroup favouritism. Research has, however, shown that outgroup favouritism, that is, the preference for a group to which the person does not belong, also permeates intergroup relations. Several theories such as social identity theory, social dominance theory, and system justification theory offer explanations of the dynamics of intergroup relations and biases. Despite not strictly being a theory of intergroup relations, right-wing authoritarianism also offers an explanation of intergroup bias by accounting for prejudice and ethnocentrism. Likewise, ideological conservatism has been shown to influence intergroup relations. </p><p>Based within these theories, this dissertation attempts to explain the social-psychological mechanisms regulating in- and outgroup favouritism. More specifically, Study I examines issues of power and legitimacy in relation to social perception and gender. Studies II and III examine the relationships between social psychological variables and affirmative action, which is aimed at diminishing inequalities between social groups. Together, the studies showed that gender plays a role in intergroup bias, both as an independent variable and as an object of social discrimination. Conservative ideologies predicted ingroup favouritism, but variably. Attitudes towards affirmative action were influenced by the way this issue is semantically framed. The results are discussed in relation to the theories of intergroup relations exposed above and the pertinent issue of attitude ambivalence in understanding outgroup favouritism.</p>

Intergroup relations are characterised by favourable and unfavourable biases. Towards one’s own group these biases are mostly favourable – ingroup favouritism. Research has, however, shown that outgroup favouritism, that is, the preference for a group to which the person does not belong, also permeates intergroup relations. Several theories such as social identity theory, social dominance theory, and system justification theory offer explanations of the dynamics of intergroup relations and biases. Despite not strictly being a theory of intergroup relations, right-wing authoritarianism also offers an explanation of intergroup bias by accounting for prejudice and ethnocentrism. Likewise, ideological conservatism has been shown to influence intergroup relations. Based within these theories, this dissertation attempts to explain the social-psychological mechanisms regulating in- and outgroup favouritism. More specifically, Study I examines issues of power and legitimacy in relation to social perception and gender. Studies II and III examine the relationships between social psychological variables and affirmative action, which is aimed at diminishing inequalities between social groups. Together, the studies showed that gender plays a role in intergroup bias, both as an independent variable and as an object of social discrimination. Conservative ideologies predicted ingroup favouritism, but variably. Attitudes towards affirmative action were influenced by the way this issue is semantically framed. The results are discussed in relation to the theories of intergroup relations exposed above and the pertinent issue of attitude ambivalence in understanding outgroup favouritism.