When out of the house, little Lanny clenches his fist to his mother's skirt, and he returns to the skirt whenever he's anxious. Mom's skirt serves as Lanny's

Although specific genes seem to be involved in personality, the effects of these genes on behavior are small. Why?

a. Environmental factors, such as culture, typically override genetic effects. b. Free will is more important in determining behavior. c. Multiple genes interact, and they may act in opposite ways. d. Genetic effects weaken over time.

Gardner believes that each intelligence

A) is rooted in early environmental experiences. B) has a biological basis. C) has a similar course of development. D) has a unique neurological basis.