Which eating disorder involves repeated cycles of binging and purging?
a. anorexia nervosa c. obesity
b. bulimia nervosa d. set point
B
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Discrimination differs from prejudice in that it is __________.
A. unjustified B. a behavior C. an attitude D. negative
Twin studies suggest that heritability explains ____ of the variation in aggression in children
a. less than one quarter b. between about a quarter and a third c. between about a third and a half d. between about a half and two thirds
According to James Marcia, adolescent identity can be classified into one of four statuses that are based on the key issues of
a. crisis and commitment. b. commitment and conscientiousness. c. conscientiousness and comparison. d. comparison and crisis.
In the diathesis-stress model, "stress" refers to a. life events, in combination with an inherited tendency, that trigger the onset of a disorder. b. Internal conflicts that trigger the onset of a disorder
c. The expression of defective genes. d. exposure to unusual and extreme situations that often lead to psychological disorders.