Proponents of the ____ model believe that health problems such as ulcers and asthma are from unconscious psychological conflicts.

A mother pours each of her two children a cup of chocolate milk. Although each cup holds the same amount of liquid, one is taller and skinnier. The child who does not receive the tall, skinny glass starts crying because she is convinced that her brother received more chocolate milk than she did. Which cognitive developmental concept does this child have trouble understanding?

a. Reversibility b. Centration c. Conservation d. Classification

Where have both separation anxiety and stranger anxiety been observed?

a. Only in children who attend day care before age two b. Only in children in the United States c. Only with children reared by stay at home parents d. In a variety of cultures and care settings