Stereotype
Activation

The dual-process model of cognitive processing of stereotypes asserts that automatic activation of stereotypes is followed by a controlled processing stage, during which an individual may choose to disregard or ignore the stereotyped information that has been brought to mind.

A number of studies have found that stereotypes are activated automatically. Patricia Devine (1989), for example, suggested that stereotypes are automatically activated in the presence of a member (or some symbolic equivalent) of a stereotyped group and that the unintentional activation of the stereotype is equally strong for high- and low-prejudice persons. Words related to the cultural stereotype of blacks were presented subliminally. During an ostensibly unrelated impression-formation task, subjects read a paragraph describing a race-unspecified target person's behaviors and rated the target person on several trait scales. Results showed that participants who received a high proportion of racial words rated the target person in the story as significantly more hostile than participants who were presented with a lower proportion of words related to the stereotype. This effect held true for both high- and low-prejudice subjects (as measured by the Modern Racism Scale). Thus, the racial stereotype was activated even for low-prejudice individuals who did not personally endorse it. Studies using alternative priming methods have shown that the activation of gender and age stereotypes can also be automatic.

Subsequent research suggested that the relation between category activation and stereotype activation was more complex. Lepore and Brown (1997), for instance, noted that the words used in Devine's study were both neutral category labels (e.g., "Blacks") and stereotypic attributes (e.g., "lazy"). They argued that if only the neutral category labels were presented, people high and low in prejudice would respond differently. In a design similar to Devine's, Lepore and Brown primed the category of African-Americans using labels such as "blacks" and "West Indians" and then assessed the differential activation of the associated stereotype in the subsequent impression-formation task. They found that high-prejudice participants increased their ratings of the target person on the negative stereotypic dimensions and decreased them on the positive dimension whereas low-prejudice subjects tended in the opposite direction. The results suggest that the level of prejudice and stereotype endorsement affects people's judgements when the category – and not the stereotype per se – is primed.

Research has shown that people can be trained to activate counterstereotypic information and thereby reduce the automatic activation of negative stereotypes. In a study by Kawakami et al. (2000), for example, participants were presented with a category label and taught to respond "No" to stereotypic traits and "Yes" to nonstereotypic traits. After this training period, subjects showed reduced stereotype activation. This effect is based on the learning of new and more positive stereotypes rather than the negation of already existing ones.
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