In a study of adopted children, the finding that the only children who had considerable likelihood of becoming schizophrenic were those who has a schizophrenic biological parent and who were also adopted into a troubled home is evidence of:
a. the influence of nature
b. the influence of nurture
c. the influence of both
d. random variation in the population
c. the influence of both
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Which statement about construct validity is false? a. It ensures that the study is high in internal validity. b. It is relevant to both the dependent and independent variables in a study. c. It can be identical for two researchers who have different operational definitions of the same conceptualvariable
d. It facilitates the testing of both hypotheses and theories.
Anthony is naturally anxious, introverted, and lacking in confidence. If he is subjected to recurring situations of rejection, embarrassment, or humiliation, what personality disorder would be a likely outcome?
a. Obsessive-compulsive personality disorder b. Avoidant personality disorder c. Dependent personality disorder d. Borderline personality disorder
According to recent research on the development of depression, dysfunctional attitudes (a negative outlook) and hopelessness attributes (explaining things negatively) constitute a ________ vulnerability to depression
a. biological b. cognitive c. behavioral d. sociological
Standard deviation is defined as the square root of the
a. average of the deviations around the mean. b. average of the squared deviations around the mean. c. sum of the deviations around the mean. d. sum of the squared deviations around the mean.