Most older people live ______ lives and are ______ with their lifestyles

What kind of reinforcement is used if Sally's parents give her $10 every time she accumulates six As on her tests?

a) gradual reinforcement b) sporadic reinforcement c) continuous reinforcement d) partial reinforcement

Prof. Bartleby does research on the rate at which caffeine affects adolescent boys and girls. This would best be described as a question of

A) gender roles. B) sex differences. C) gender differences. D) gender typing.