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Gender differences in aggression [2018]

Highlights
• In proportions of their total aggression scores, girls use more indirect aggression.

• Boys use more physical aggression.

• Both genders use direct verbal aggression equally much.

• There are genetic components of both physical and indirect aggression.

• Prenatal hormone exposure is crucial for the development of aggressive style.

Studies on gender differences in aggressive behavior are examined. In proportions of their total aggression scores, boys and girls are verbally about equally aggressive, while boys are more physically and girls more indirectly aggressive. There are genetic determinants of both physical and indirect aggression, suggesting that both types of aggression give evolutionary advantages. Analyses of 2D:4D finger length ratios indicate that the prenatal hormonal environment is crucial for the development of these aggressive strategies.

Kaj Björkqvist

Current Opinion in Psychology, Volume 19, February 2018

DOI

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