In hypothesis testing, a researcher can never ______.
A. compute a test statistic before making a decision
B. make decisions about the null hypothesis
C. prove that their hypothesis is correct
D. know the likelihood of obtaining a sample mean if the null hypothesis were true
Answer: C
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Which of the following appears to be TRUE about aggression in children?
a. Aggression tends to be stable between younger and older childhood. b. Aggression tends to diminish with age. c. Aggression tends to increase with age, regardless of sex of child. d. There are no consistencies in terms of aggression and age.
Which type of response cannot be classically conditioned in humans?
a. ?becoming nauseous when smelling garlic b. ?feeling happy when you smell cinnamon c. ?experiencing increased heart rate when it is storming outside d. ?quitting your job because it does not pay enough
Some people might say that the “glass is half full,” while others might say that the “glass is half empty.” These different ways of saying the same thing reflect a difference in ____.?
a. ?exemplars b. ?insight c. ?framing d. ?using heuristics
Which of the following PsycINFO search strategies should be employed by researchers?
A. use the AND operator to expand search terms. B. search for a specific phrase. C. use the OR operator to limit search terms. D. review and use keywords that were selected by article authors.