According to the views of Mary Ainsworth, the form of attachment in which a child becomes angry when the mother leaves and avoids her when she returns is called:

The abnormal activity of which transmitter is linked to depression and panic disorder?

A)serotonin B)norepinephrine C)dopamine D)acetylcholine

Freud's approach to understanding human behavior was based on

a. his own scientific research. b. Wundt's and James's writings on human behavior. c. his observation of patients. d. his negative reaction to Skinner's proposal that all human behavior is caused by environmental events. e. applying the scientific method to large groups of subjects.