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Stereotypes, Prejudice, and Discrimination02:55

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Humans are very diverse and although we share many similarities, we also have many differences. The social groups we belong to help form our identities (Tajfel, 1974). These differences may be difficult for some people to reconcile, which may lead to prejudice toward people who are different. Prejudice is a negative attitude and feeling toward an individual based solely on one’s membership in a particular social group (Allport, 1954; Brown, 2010). Prejudice is common against people who are...
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Related Experiment Video

Updated: May 25, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
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Prejudiced attitude measurement using the Rasch Rating Scale model.

Antonio J Rojas Tejada1, Oscar M Lozano Rojas, Marisol Navas Luque

  • 1Faculty of Psychology, University of Almería, 04120 Almería, Spain. arojas@ual.es

Psychological Reports
|January 14, 2012
PubMed
Summary

This study introduces a new prejudice scale to measure attitudes between majority and minority groups. Developed using item response theory, it assesses beliefs, emotions, and behaviors for a comprehensive evaluation.

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Area of Science:

  • Social Psychology
  • Attitude Measurement
  • Intergroup Relations

Background:

  • Traditional methods for studying minority prejudice against majorities include adapting majority group instruments or qualitative discourse analysis.
  • Existing approaches inadequately measure intergroup attitudes during majority-minority interactions.

Purpose of the Study:

  • To develop and present a novel prejudice scale designed to measure the attitudes of both minority and majority groups.
  • To provide a psychometrically sound instrument for assessing intergroup prejudice in interactive contexts.

Main Methods:

  • The study employed item response theory (IRT), specifically the rating scale model, for the psychometric development of the prejudice scale.
  • Prejudice was conceptualized as an attitude encompassing beliefs/opinions, emotions, and behavioral intentions towards an out-group.

Main Results:

  • A new prejudice scale was successfully developed, validated through item response theory.
  • The scale allows for the measurement of attitudes held by both minority and majority groups towards each other.

Conclusions:

  • The developed scale offers a more effective method for measuring intergroup attitudes compared to previous approaches.
  • This instrument advances the study of prejudice by providing a robust tool for assessing majority and minority group perceptions.