The evolutionary perspective predicts sex differences across cultures. Predicts that across cultures, the more gender inequality, the greater the gender differences in mating and dating preferences. The sex differences for earning capacity, domestic skills and age were also correlated with each other across cultures. The division of men and women into different social positions in society provides the logic to explain all of these effects. A. John Gray - Men and Women are supposed to be different.
Men are independent, agentic.
Women are emotional, passive. His diploma is from a correspondence school. Simply reinforces stereotypes.