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The association between social class and aggression: A meta-analytic review
Bing Chen1, Chao Zhang2, Fan Feng2
1Faculty of Psychology, Southwest University, Chongqing, China; Faculty of Education, Southwest University, Chongqing, China.
Social Science & Medicine (1982)
|December 1, 2023
Summary
Social class has a small negative association with aggression. Factors like study type, age, and how social class and aggression are measured influence this relationship, which is not fixed.
Area of Science:
- Social Psychology
- Sociology
- Criminology
Background:
- Social class is linked to aggression, but findings are inconsistent.
- Lower social class is often a risk factor for aggression, yet associations vary.
- Previous research shows inverse, positive, or null relationships between social class and aggression.
Approach:
- A meta-analysis of 268 studies with 546 effect sizes from 357 independent samples.
- Employed a random-effects meta-analytic model to assess the overall relationship.
- Conducted moderator analyses to explore heterogeneity in the social class-aggression link.
Key Points:
- A small but significant negative relationship exists between social class and aggression (r = -0.092).
- Heterogeneity was explained by study-level, sample-level, class-level, and aggression-level characteristics.
- Robust effects were observed with minimal evidence of publication bias.
Conclusions:
- The social class-aggression relationship is context-dependent and not inherent to social groups.
- Lower-class individuals may display aggression as an adaptation to disadvantaged environments.
- Findings inform future research and strategies to reduce aggression in lower-class populations.
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