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Prejudice Reduction: Progress and Challenges
Elizabeth Levy Paluck1, Roni Porat1,2, Chelsey S Clark1
1Department of Psychology, Princeton University, Princeton, New Jersey 08540, USA;
Annual Review of Psychology
|September 15, 2020
Summary
Research on reducing prejudice shows many studies use short interventions with unclear long-term effects. Meta-analysis reveals potential publication bias, questioning the evidence base for actionable recommendations.
Area of Science:
- Social Psychology
- Intergroup Relations
Background:
- Significant growth in research evaluating prejudice reduction methods over the past decade.
- Need for systematic assessment of intervention effectiveness and underlying mechanisms.
Purpose of the Study:
- To quantitatively and qualitatively assess the effectiveness of various prejudice reduction strategies.
- To identify which approaches work best, why, and to evaluate the quality of existing research.
Main Methods:
- Meta-analysis of 418 experiments from 309 manuscripts (2007-2019) for quantitative effect estimation.
- Qualitative review of landmark studies focusing on intervention duration, measurement, and transparency.
Main Results:
- Majority of studies (76%) employ "light touch" interventions with uncertain long-term impacts.
- Mentalizing is a common intervention, but publication bias may inflate reported effects.
- Landmark studies often report limited effects, indicating a need for theoretical and practical innovation.
Conclusions:
- Current research efforts are often theoretically and empirically inadequate for generating actionable, evidence-based recommendations.
- Further innovation in psychological and structural interventions is needed for effective prejudice reduction.
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