Why is there an overall decrease in performance on IQ scores from the age of 20 to 74?
A. changes in psychological and physiological functioning
B. poor reliability
C. poor validity
D. changes in the test itself over the years
Answer: A
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Modern psychology shares which of the following characteristics with ancient Greek philosophy?
a. ?An interest in the same kinds of questions about human nature b. ?The development of common methods of research to answer questions about human nature c. ?A reliance upon biology to help in the understanding of human nature d. ?The denial that humans are composed of a physical body and a spiritual soul e. ?None of the choices are correct
Among a large group of adopted children, the IQ scores of the children are predicted to be
a. more similar to those of their biological parents than their adoptive parents. b. more similar to those of their adoptive parents than their biological parents. c. as similar to those of their adoptive parents as to their biological parents. d. unrelated to those of their adoptive parents. e. unrelated to those of their biological parents.
Participants that will respond "yes" to both the statements "I like fish" and "I don't like fish" are exhibiting
a. Acquiescence b. The social desirability tendency c. The Stroop effect d. The good subject tendency
In every experiment there are individual differences between participants. This variation is:
a. systematic. b. unsystematic. c. systematic error. d. nonsystematic error.