How many twin pairs were involved in Brendgen's study?

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Multiple Choice

How many twin pairs were involved in Brendgen's study?

Explanation:
Brendgen's study involved a total of 234 twin pairs. This number is significant as it allows for a comprehensive analysis of the genetic and environmental influences on behavioral characteristics. The study specifically focused on the implications of different types of aggression in children, and the use of twin pairs helps researchers disentangle the effects of heredity and the environment. The chosen sample size of 234 twin pairs provides a strong enough basis to make inferences about the similarities and differences in behavior attributable to genetic and shared environmental factors, lending greater credibility to the findings of the study.

Brendgen's study involved a total of 234 twin pairs. This number is significant as it allows for a comprehensive analysis of the genetic and environmental influences on behavioral characteristics. The study specifically focused on the implications of different types of aggression in children, and the use of twin pairs helps researchers disentangle the effects of heredity and the environment. The chosen sample size of 234 twin pairs provides a strong enough basis to make inferences about the similarities and differences in behavior attributable to genetic and shared environmental factors, lending greater credibility to the findings of the study.

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