What is external validity?
A. The extent to which research findings are consistent with hypotheses
B. The extent to which the sample equals the population
C. The extent to which research findings can be generalized beyond the study
D. A measure of how powerful the statistics being used are within a study
Answer: C
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According to the information on the incidence of psychological problems in North America,
a. women are more likely than men to seek therapy for psychological problems. b. men are more likely than women to suffer from psychological problems. c. there are no significant gender differences in the specific kind of psychological disorders that women and men experience. d. women are more likely than men to have serious substance-abuse problems, whereas men are more likely to experience major depression.
Which statement concerning fragile X syndrome is true?
a. It is a non-sex-linked trait. b. It occurs as the result of an extra X chromosome. c. It involves a depletion in the number of duplications in the DNA code. d. It is more common in males.