Twin studies have demonstrated that heredity has little to do with gender-role learning

One reason why an adolescent's long-term memory is better than it was in childhood is because of _____________

a greater amount of experience and knowledge of the world a greater amount of testosterone, which has been shown to enhance memory their ability to think concretely and egocentrically of the world their ability to question their parents and the world around them

The most common cause of coital pain in women is

A) vaginal infection. B) lack of lubrication. C) pelvic inflammatory disease. D) penile contact with the cervix.