The leading known nongenetic cause of intellectual disability is
A. alcohol use by pregnant women.
B. marijuana use by the partner of a pregnant woman.
C. prenatal exposure to lead-based paints.
D. environmental asbestos exposure during pregnancy.
Answer: A
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Beginning in the mid-1970s, authorities were unable to confine nondangerous mentally ill patients, a policy that emphasized
a. individual freedom b. society's rights. c. both individual freedom and society's rights d. neither individual freedom nor society's rights
When an experiment is designed using a longitudinal design:
a. the performance of different people of various ages is compared b. the same individuals are tested repeatedly over time c. different people are tested at each step in the study d. more than one dependent variable is manipulated
Research shows that flashbulb memories are:
a. impressive and vivid, but not necessarily accurate b. blinding images that are impossible to forget c. associated only with tragedies, like where you were when September 11 happened d. frightening memories that you can't quite bring into clear detail
If a characteristic is _____, a child's rank in relation to his or her peers essentially stays the same over time
a. plastic c. stable b. erratic d. innate