Bernadette Park

Bio: Bernadette Park is an academic researcher from University of Colorado Boulder. The author has contributed to research in topics: Ingroups and outgroups & Social perception. The author has an hindex of 43, co-authored 80 publications receiving 11245 citations. Previous affiliations of Bernadette Park include University of Oregon & University of Chicago.

The relationship between memory and judgment depends on whether the judgment task is memory-based or on-line

Abstract: Five alternative information processing models that relate memory for evidence to judgments based on the evidence are identified in the current social cognition literature: independent processing, availability, biased retrieval, biased encoding, and incongruity-biased encoding. A distinction between two types of judgment tasks, memory-based versus on-line, is introduced and is related to the five process models. In memory-based tasks where the availability model describes subjects' thinking, direct correlations between memory and judgment measures are obtained. In on-line tasks where any of the remaining four process models may apply, prediction of the memory-judgment relationship is equivocal but usually follows the independence model prediction of zero correlation. There ought to be a relationship between memory and judgment. Our intuition tells us that we should be able to generate more arguments and information in support of a favored position than against it, that evaluations of people should be related to the amounts of good and bad information we have about them. When a person is able to remember many arguments against a belief, or to cite many good characteristics of an acquaintance, we are surprised if they endorse the belief or dislike the person. In support of intuitions like these, names have been given to the idea that memory and judgment have a simple direct relationship, including "availability," "dominance of the given," "salience effect," and so forth. However, empirical studies of the relationship between memory and judgment with subject matter as diverse as social impressions, personal attitudes, attributions of causes for behavior, evaluations of legal culpability, and a variety of probability and frequency estimates have not revealed simple relations between memory and judgment. Some relationships have been found, but strong empirical relations are rare and results are often contradictory. Some examples seem to support the expectation of a direct relationship between memory and judgment. Tversky and Kahneman (1973) demonstrated that many judgments of numerosity were directly correlated with the "ease with which instances or associations could be brought to mind" (p. 208). In an illustrative series of experiments, they showed that judgments of the frequency of words in English text were correlated with the ease of remembering the words. Beyth-Marom and Fischhoff(1977) provided more definite evidence on the strength of the mem

The Police Officer's Dilemma: Using Ethnicity to Disambiguate Potentially Threatening Individuals

Abstract: Using a simple videogame, the effect of ethnicity on shoot/don’t shoot decisions was examined. African American or White targets, holding guns or other objects, appeared in complex backgrounds. Participants were told to “shoot” armed targets and to “not shoot” unarmed targets. In Study 1, White participants made the correct decision to shoot an armed target more quickly if the target was African American than if he was White, but decided to “not shoot” an unarmed target more quickly if he was White. Study 2 used a shorter time window, forcing this effect into error rates. Study 3 replicated Study 1’s effects and showed that the magnitude of bias varied with perceptions of the cultural stereotype and with levels of contact, but not with personal racial prejudice. Study 4 revealed equivalent levels of bias among both African American and White participants in a community sample. Implications and potential underlying mechanisms are discussed.

Evidence for Racial Prejudice at the Implicit Level and Its Relationship With Questionnaire Measures

Abstract: The content of spontaneously activated racial stereotypes among White Americans and the relation of this to more explicit measures of stereotyping and prejudice were investigated. Using a semantic priming paradigm, a prime was presented outside of conscious awareness (BLACK or WHITE), followed by a target stimulus requiring a word-nonword decision. The target stimuli included attributes that varied in valence and stereotypicality for Whites and African Americans. Results showed reliable stereotyping and prejudice effects: Black primes resulted in substantially stronger facilitation to negative than positive stereotypic attributes, whereas White primes facilitated positive more than negative stereotypic traits. The magnitude of this implicit prejudice effect correlated reliably with participants' scores on explicit racial attitude measures, indicating that people's spontaneous stereotypic associations are consistent with their more controlled responses.

Perception of Out-Group Homogeneity and Levels of Social Categorization: Memory for the Subordinate Attributes of In-Group and Out-Group Members

Abstract: Four experiments were conducted to explore the hypothesis that in-group members perceive their own group as more variegated and complex than do out-group members (the out-group homogeneity principle). The first three experiments were designed to demonstrate this effect in a symmetric manner for both parties of the in-group-out-group dichotomy, and the fourth experiment tested one particular theoretical account of this phenomenon. In Experiments 1 and 2, men and women subjects estimated the proportion of men or women who would endorse a variety of personality/attitude items. The items were constructed to vary on the dimensions of stereotypic meaning (masculinity-femininity) and social desirability (favorable-unfavorable). It was predicted and found that outgroup members viewed a group as endorsing more stereotypic and fewer counterstereotypic items than, did in-group members. These findings were interpreted as support for the out-group homogeneity principle, and it was argued that since this effect was general across items varying in social desirability, the phenomenon was independent of traditional ethnocentrism effects. Experiment 3 asked members of three campus sororities to directly judge the degree of intragroup similarity for their own group and two other groups. Again, each group judged its own members to be more dissimilar to one another than did out-group judges. In Experiment 4 a theory was proposed suggesting that different "levels of social categorization" are used to encode in-group and out-group members' behavior and that this process could account for the perception of out-group homogeneity. It was predicted and found that men and women were more likely to remember the subordinate attributes of an in-group member than of an out-group member, which provides some evidence for the theoretical model.

Across the thin blue line: police officers and racial bias in the decision to shoot.

Abstract: Police officers were compared with community members in terms of the speed and accuracy with which they made simulated decisions to shoot (or not shoot) Black and White targets. Both samples exhibited robust racial bias in response speed. Officers outperformed community members on a number of measures, including overall speed and accuracy. Moreover, although community respondents set the decision criterion lower for Black targets than for White targets (indicating bias), police officers did not. The authors suggest that training may not affect the speed with which stereotype-incongruent targets are processed but that it does affect the ultimate decision (particularly the placement of the decision criterion). Findings from a study in which a college sample received training support this conclusion.

Measuring individual differences in implicit cognition: The implicit association test.

Abstract: An implicit association test (IAT) measures differential association of 2 target concepts with an attribute. The 2 concepts appear in a 2-choice task (e.g., flower vs. insect names), and the attribute in a 2nd task (e.g., pleasant vs. unpleasant words for an evaluation attribute). When instructions oblige highly associated categories (e.g., flower + pleasant) to share a response key, performance is faster than when less associated categories (e.g., insect + pleasant) share a key. This performance difference implicitly measures differential association of the 2 concepts with the attribute. In 3 experiments, the IAT was sensitive to (a) near-universal evaluative differences (e.g., flower vs. insect), (b) expected individual differences in evaluative associations (Japanese + pleasant vs. Korean + pleasant for Japanese vs. Korean subjects), and (c) consciously disavowed evaluative differences (Black + pleasant vs. White + pleasant for self-described unprejudiced White subjects).

A meta-analytic test of intergroup contact theory.

Abstract: The present article presents a meta-analytic test of intergroup contact theory. With 713 independent samples from 515 studies, the meta-analysis finds that intergroup contact typically reduces intergroup prejudice. Multiple tests indicate that this finding appears not to result from either participant selection or publication biases, and the more rigorous studies yield larger mean effects. These contact effects typically generalize to the entire outgroup, and they emerge across a broad range of outgroup targets and contact settings. Similar patterns also emerge for samples with racial or ethnic targets and samples with other targets. This result suggests that contact theory, devised originally for racial and ethnic encounters, can be extended to other groups. A global indicator of Allport's optimal contact conditions demonstrates that contact under these conditions typically leads to even greater reduction in prejudice. Closer examination demonstrates that these conditions are best conceptualized as an interrelated bundle rather than as independent factors. Further, the meta-analytic findings indicate that these conditions are not essential for prejudice reduction. Hence, future work should focus on negative factors that prevent intergroup contact from diminishing prejudice as well as the development of a more comprehensive theory of intergroup contact.

Implicit Social Cognition: Attitudes, Self-Esteem, and Stereotypes.

Abstract: Social behavior is ordinarily treated as being under conscious (if not always thoughtful) control. However, considerable evidence now supports the view that social behavior often operates in an implicit or unconscious fashion. The identifying feature of implicit cognition is that past experience influences judgment in a fashion not introspectively known by the actor. The present conclusion--that attitudes, self-esteem, and stereotypes have important implicit modes of operation--extends both the construct validity and predictive usefulness of these major theoretical constructs of social psychology. Methodologically, this review calls for increased use of indirect measures--which are imperative in studies of implicit cognition. The theorized ordinariness of implicit stereotyping is consistent with recent findings of discrimination by people who explicitly disavow prejudice. The finding that implicit cognitive effects are often reduced by focusing judges' attention on their judgment task provides a basis for evaluating applications (such as affirmative action) aimed at reducing such unintended discrimination.

Bad is Stronger than Good

Abstract: The greater power of bad events over good ones is found in everyday events, major life events (e.g., trauma), close relationship outcomes, social network patterns, interpersonal interactions, and learning processes. Bad emotions, bad parents, and bad feedback have more impact than good ones, and bad information is processed more thoroughly than good. The self is more motivated to avoid bad self-definitions than to pursue good ones. Bad impressions and bad stereotypes are quicker to form and more resistant to disconfirmation than good ones. Various explanations such as diagnosticity and salience help explain some findings, but the greater power of bad events is still found when such variables are controlled. Hardly any exceptions (indicating greater power of good) can be found. Taken together, these findings suggest that bad is stronger than good, as a general principle across a broad range of psychological phenomena.

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