Biological Psychology Flashcards
(6 cards)
What was the aim of Brendgen et al. (2005)?
To explore whether social aggression is caused by genes or environment, if physical/social aggression share origins, and if one leads to the other.
What did Brendgen find about physical aggression?
63% genetic, 37% environmental influence
What did Brendgen find about social aggression?
20% genetic, 60% environmental influence.
Did Brendgen find a link between physical and social aggression?
Yes, physical aggression can lead to social aggression, but not vice versa.
Strengths of Brendgen’s study?
Standardized tools, replicable, quantitative data.
Weaknesses of Brendgen’s study?
Limited generalizability, only 123 pairs DNA-tested, possible misclassification.