Humans demonstrate habituation as early as ______.

Studies on stress and lower-class members indicate that lower-class members ______

a. are more likely to have an internal locus of control b. are less likely to suffer from the results of stress than members of upper classes c. feel more in control of the events around them than members of the upper classes d. are more likely to feel depressed, anxious, and hopeless

Regarding causes of suicide, which of the following statements is false?

a. Suicide may be linked to irregularities in serotonin functioning in the brain that leads to a disinhibition effect. b. Suicide is closely linked to mood disorders. c. Adolescents who have a friend who attempted suicide are less likely than their peers to attempt suicide themselves. d. Suicidal people may have fewer coping responses, leaving them especially vulnerable to exit events. e. Suicides are linked to exit events that leave people feeling stripped of social support.