In a carefully controlled experiment, the only possible cause for any effect noted in the dependent variable is the
a. independent variable.
b. extraneous variable.
c. random assignment.
d. random selection.
A
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According to one theory, autism may arise in some infants because genetic abnormalities or environmental risk factors damage the __________ system
a. limbic b. reticular activating c. mirror neuron d. endocrine
Rather than helping a person to successfully cope, abnormal behaviors make it more difficult for the person to meet the everyday demands of life. Thus, this core feature of all abnormal behavior refers to the behavior being
a. culturally relative. b. subjectively painful. c. statistically deviant. d. maladaptive.
Although most adults experience gradual decline in their overall health during middle adulthood, their sense of well-being and satisfaction with life remain intact during these years
Indicate whether the statement is true or false
Expectancy confirmation is discussed in the text as most closely linked to the goal of
A) conserving mental effort. B) managing self-image. C) accuracy. D) appearing competent.