The diagnosis of schizophrenia requires that signs of the disorder are present continuously
for at least ______ months.
a. 3 c. 9
b. 6 d. 12
B
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The idea that genotypes are not the only things that control traits reflects the fact that a. dizygotic twins are virtually genetically identical while fraternal twins are not
b. each genotype can produce a variety of phenotypes, depending on the environment in which a person lives. c. recessive genes are more commonly expressed than dominant genes, especially in cases of polygenic inheritance. d. the environment has little impact on behavior, as has been demonstrated in the results of the nature-nurture question.
Which statement about the field of abnormal psychology is accurate? a. Abnormal psychology seeks to describe, explain, predict, and modify unusual behaviors. b. Abnormal psychology is not yet considered a scientific field of research
c. Abnormal psychology focuses on the study of only the most bizarre behavior. d. Abnormal psychology is most interested in narrowing a disorder to one behavioral factor.
Which of the following is classified as an anxiety disorder by the DSM?
a. schizophrenia b. hypochondria c. dissociative fugue d. none of these choices
Some perceptions are based on prior experience, or they are said to be
a. native. b. empirical. c. intrinsic. d. endogenous.