When mothers use cocaine and marijuana throughout the pregnancy, it is associated with __________.
A. severe intellectual impairment in their children
B. short-term delays in physical growth that are overcome by school age
C. problems in school learning and behavior
D. learning problems in infancy but not in school age children
Answer: C
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All other things being equal, a repeated-measures design is _______ than the corresponding between-subjects design
a. less powerful. b. more powerful. c. The two designs have comparable power. d. We cannot predict this.
If you hold a round plate in your hand and turn it from side to side, the image it casts on your retina changes. Yet you still perceive the plate to be round. This phenomenon can be explained by the principle of
a. brightness constancy. b. shape constancy c. size constancy. d. retinal disparity. e. binocular constancy.
People over the age of 65 make up about 12% of the population. What percent of hospital beds do they occupy?
A. 15% B. 25% C. 35% D. 45%
If you want to determine whether 80-year-old Maggie's brain is active while she is reading, you should use a. magnetic resonance imaging
b. positron emission tomography. c. functional MRI. d. a psychomotor test.