You have received a grant to carry out research on the relationship between personality
and marital satisfaction. Which kind of research are you most likely to conduct?
a. An experiment
b. A correlational study
c. A double-blind study
d. A case study
e. An observational study
b. A correlational study
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In a study of twins reared apart in the 1980s and 1990s, a sample of identical twins who were raised in separated environments produced scores on three measures of intelligence that were as similar to each other as a sample of twins who were raised together. Though the sample sizes were relatively small, this research has been repeated with approximately the same findings. We can have some confidence that these findings are valid because of the critical thinking principle of
A) replicability. B) falsifiability. C) Occam's Razor. D) extraordinary claims.
The hypothalamus controls the __________
a) hypnotic suggestibility ratio. b) sleep–wakefulness cycle. c) frequency of nightmares. d) growth hormones that occur during sleep.