Depression is caused by learned helplessness, according to the __________ theory

Because AIDS is caused by a virus (HIV), psychoneuroimmunologists have determined that there is no relationship between stress and AIDS

Indicate whether the statement is true or false.

Physical growth during the preschool years is characterized by

a. steady growth in height and weight. b. an increasingly chubby and roundish shape. c. growth in arms and legs and a more child-like body proportion. d. growth in height, but little change in weight.