One major limitation of correlational studies is that
A) researchers alter the experiences of those studied.
B) researchers do not gather information about everyday life.
C) researchers cannot make inferences about cause and effect.
D) the results cannot be generalized to other people and settings.
Answer: C
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The term "ageism" refers to
a. changes as one grows older. b. prejudice against the elderly. c. the study of aging and the elderly. d. the incorporation of age norms in research.
Ethics review committees are typically composed of
a. laypersons only. b. professionals only. c. samples of research participants from the population under study. d. both professionals and samples of research participants. e. both professionals and laypersons.
Single-subjects research studies tend to have ____
a. practical significance even though they do not have statistical significance b. statistical significance even though they do not have practical significance c. both practical and statistical significance d. neither practical nor statistical significance
Monozygotic twins reared in separate environments:
a. share the same degree of genetic similarity as twins reared together. b. are less alike, genetically, than dizygotic twins reared together. c. are identical in genetics, behaviors, and preferences. d. are no more alike in genetics, behaviors, and preferences than regular siblings.