Two-year-old Tommy is referred to a pediatrician because he is small and scrawny and he has trouble digesting food. If Tommy's condition is not the result of malnutrition but rather is linked to child neglect, the most likely diagnosis is:

Which of the following is true concerning Tolman and Honzik's classic study of latent learning?

A) Rats were able to learn without receiving reinforcement. B) Rats learned when receiving punishment but not when receiving reinforcement. C) Rats were not able to learn if reinforcement was withheld for long periods of time. D) Rats learned only when reinforcement was presented immediately following behavior.

What term describes a child's quickness, ease of approach to new situations, intensity, and mood?

a) nature b) disposition c) temperament d) adaptability