What is the first step of the scientific method?
A. Identify a research question.
B. Form a hypothesis.
C. Choose a research method and a research design.
D. Collect data.
Answer: A
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Which of the following is true of the best-fitting line?
a. It establishes statistical significance. b. It increases as the correlation decreases. c. It is rarely useful for prediction. d. It minimizes residuals.
A large cross-cultural study in 1957 showed that, in most societies, achievement and self-reliance are encouraged in
a. both boys and girls. b. boys but not in girls. c. girls but not in boys. d. both sexes, when the society approves of homosexuality.
Weber demonstrated that certain parts of the body were much more sensitive than others, especially the fingertips, lips, and face, based on ____
a. the two-point threshold c. the method of constant stimuli b. the principle of continuity d. sensations of hot and cold
A drug used with great success in reducing the symptoms of schizophrenia is
(a) Prozac (b) dopamine (c) thorazine (d) schizomine (e) none of these