A psychologist is attempting to discuss the source of different gender differences in mating behaviour. When describeing the fact that men are inclined to prefer younger women and women is inclined to prefer older men, he claims that this makes sense since older men have extra earning power and resources and younger women are more economically dependent and have beauty and youth to offer. This psychologist's views are most alike to those advanced by the

problem options:

a) Learning approach to attraction

b) Social structure theory of attraction

c) Cultural investment theory of attraction

d) Social Exchange theory of attraction