Which type of study do personality researchers commonly use to study different age and generation groups at the same time?
a. cross-sectional study
b. experiment
c. longitudinal study
d. field study
Answer: A
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The endocrine hormone most related to the metabolism of food, especially glucose, is:
a. oxytocin c. gastrin b. prolactin d. insulin
When someone sleeps, their brain waves undergo various changes. These changes include
a. a change in frequency. c. a change in frequency and amplitude. b. a change in amplitude. d. none of these.
William Perry has done research that shows a transition in the way college students think
They go from a staunch need to have a "right" or "wrong" answer to a more flexible and tolerant way of viewing problems as ambiguous and having multiple levels of "rightness." Perry's findings have generally persisted in the decades since they were first published. This demonstrates the principle of A) replicability. B) ruling out rival hypotheses. C) correlation vs. causation. D) extraordinary claims.
If subjects know which group theyare in, the research is not
A) random B) controlled C) double-blind D) significant