According to To Catch a Coldabout stress and the immune system, participants were operationally
defined as having a cold if
(a) infection was detected
(b) if symptoms were present
(c) if both infection and symptoms were detected
(d) if there were two or more symptoms detected
C
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Psychology students can become student members of
national psychology organizations. Which of the following is NOT one of these North American organizations? a. American Psychological Association b. American Association of Psychological Professionals c. Association for Psychological Science d. Canadian Psychological Association
An investigator analyzes the results determines that p < 0.05 . Why is p important? a. It tells us how many individuals were affected by the experimental treatment. b. It tells us how accurately the experimenter measured the results
c. It tells us how improbable the results would be by chance alone. d. It tells us how consistent the results are from one study to another.