The most widely discussed threat to the validity of longitudinal findings is
A) biased sampling.
B) selective attrition.
C) practice effects.
D) cohort effects.
D
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Homosexual romances and relationships are essentially the same as those of heterosexuals
Indicate whether the statement is true or false
Jasmine has been very depressed. Her therapist utilizes aspects of mastery training to help her to overcome her learned helplessness. Jasmine's therapist is most likely a __________ therapist
a. psychoanalytic b. behavioral c. cognitive d. humanistic
If people are induced to participate in an experiment by paying them large sums of money
a. the experiment will be completed more quickly b. the experiment could be in violation of the APA's Ethical Principles on Coercion c. the experiment could be in violation of the APA's Ethical Principles on Informed Consent d. the participants would be less likely to file a lawsuit over the experimental activity
Biological research concerning the development of mood disorders suggests that ________
a. acetylcholine and dopamine may be key neurotransmitters in depression. b. a long form of the gene 5-HTT may predispose a person to depression. c. depressed people have high levels of cortisol, which can affect the hippocampus and amygdala. d. part of the problem of depression is the underproduction of cortisol.