What does p < 0.05 mean?
a. Random results would look like this less than 5 percent of the time
b. There is less than a 5 percent probability that chance alone produced this result.
c. Fewer than 5 percent of the results matched the prediction.
d. We are less than 5 percent confident that the results are correct.
a
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A recent study that analyzed the Big Five scores of U.S. astronauts since the 1980s found that astronauts have very low levels of __________,
which is useful because their job involves being shot into outer space where all sorts of things can go wrong and nobody can fix it but you. a. aggressiveness b. openness to experience c. neuroticism d. extraversion
Theory building is important in psychology because it
a. prevents excessive reliance on empiricism. b. reduces the need for hypothesis testing. c. relies heavily on naturalistic observation. d. provides explanations and guides future research.