The etiology of multiple sclerosis may involve
a. lack of an enzyme needed for myelinization.
b. damage to the blood-brain barrier by a virus.
c. the formation of ß-amyloid protein.
d. degeneration of cholinergic cells in the basal forebrain.
e. the formation of neurofibrillary tangles.
Answer: b. damage to the blood-brain barrier by a virus.
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Your neighbor, who has antisocial personality disorder, told you he is going to see a psychiatrist at the mental health clinic. You are surprised by his statement and conclude that he has been
a. ordered by a judge to seek psychotherapy. b. involved with a religious movement and "seen the light." c. involved in a serious committed relationship and wants to alter his behavior. d. arrested several times and feels he has embarrassed his family enough with his behavior.
Under stress, a college student cries and throws things. The behavior of the student is an example of
a. regression. b. reaction formation. c. displacement. d. immaturity.
Which of the following individuals is statistically most likely to attempt suicide?
A. A 78-year-old single white man from Wyoming with chronic back pain B. A 55-year-old African American woman from Maryland who has lost her job C. A 22-year-old Inuit woman who has just had a baby D. A 10-year-old boy from New York who has received a poor report card.
Which of the following approaches leads to the highest expected performance on the criterion?
a. regression b. constant ratio c. Cole/Darlington d. quota