A(n) ________ study involves a well-controlled treatment protocol that measures the effectiveness of a specific form of therapy
a) longitudinal
b) empirical
c) efficiency
d) efficacy
ANS: D
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Stress affects the immune system by
a. increasing its activity, thus providing more protection from illness. b. altering its activity to defend against specific illnesses. c. reducing its activity initially, but then increasing its activity after an adjustment period. d. reducing its activity, thus causing the body to become more vulnerable to illness.
Hakim is in high school and is trying to decide whether he wants to go to college, and what career he will eventually have. What stage would Erikson say Hakim is in?
a. identity v. identity confusion b. generativity v. stagnation c. intimacy v. isolation d. industry v. inferiority
Which of the following countries is the lowest achieving in math and reading performance at 8th grade?
a. Canada b. Mexico c. Japan d. Indonesia
In the U.S., the annual economic burden of schizophrenia amounts to ______.
A. $100 billion B. $165 billion C. $150 billion D. $156 billion