At least 50% of adults aged 80 complete fluid and crystallized tests of intelligence and performance at rates similar to young people. This statement suggests _______
a. extensive variability within age groups
b. that at least half of older adults have had increases in their IQ scores over time
c. that at least half of younger adults have higher IQ scores than the older adults
d. all of the above are suggested
A
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Researchers examined the likelihood with which male motorists in France would offer help to a female hitchhiker. The help was more likely to come in all but which of the following cases?
a. The woman was wearing high heels. b. The woman was smiling. c. The woman appeared to have blond hair. d. The woman was frowning with worry.
Forgetting that occurs because new information inhibits the retrieval of previously learned information or because previously learned information inhibits the retrieval of new information is explained by
a. interference theory. c. repression. b. decay theory. d. displacement.
The length of a child's memory span is most influenced by which of the following?
a. the speed of processing c. the difficulty of the task b. the knowledge base d. the child's interest in the task
Compared with other research designs (e.g., correlational designs), true experiments provide researchers with superior information about:
A) experimental artifacts B) group differences C) procedural confounds D) causality