Hormonal Mechanisms

Question 1

Testosterone

Answer 1

A male sex hormone (androgen) responsible for masculine features throughout the body (eg. Increased muscle growth)

Question 2

Giammanco (2005)

Answer 2

Removal of testes (glands secreting testosterone) reduced aggression in many species

Question 3

Ziomkiewick (2012)

Answer 3

Negative correlation between levels of progesterone in women and self-reported levels of aggression

Question 4

Strength of hormonal mechanisms

Answer 4

• Evidence supporting role of testosterone following social challenges (eg. Mehta & Joseph found 73% with increased testosterone shoes to rechallenge winners compared to 27% with decreased levels)

Question 5

Limitation of hormonal mechanisms

Answer 5

• Incomplete explanation (eg. Carre & Mehta found testosterone only promotes aggression when cortisol levels are low)