In a study described in Chapter 1, psychologist Paul Solomon and his colleagues investigated the effects of the herb gingko biloba on memory, concentration, and other mental tasks. All participants in the study took a battery of tests at the beginning and end of the six-week study. The results showed that:
a. the test scores increased about the same for the participants in the experimental group and for the participants in the placebo control group.
b. the test scores actually decreased for the participants in the experimental group and increased slightly for the participants in the no-treatment control group.
c. the test scores were virtually identical both times the participants were tested.
d. although test scores stayed about the same, participants in the study subjectively rated their memory and concentration as being significantly improved.
Answer: a. the test scores increased about the same for the participants in the experimental group and for the participants in the placebo control group.
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Regarding self-esteem and aggression, which statement is false?
a. Narcissism is a good predictor of aggression. b. Low self-esteem is a good predictor of aggression. c. Narcissism is correlated with aggression in response to provocation. d. High self-esteem is predictive of aggression when combined with narcissism and provocation.
Which of the following can be thought of as a message from yourself to yourself?
a. dreams b. sane hallucinations c. recovered memories from hypnosis d. all of these
Triplett's bicycle racing experiments tested social facilitation by arousing what instinct?
A. conscientiousness B. competitive C. agreeableness D. "Protestant work ethic"
Assumptions are beliefs that are taken for granted
Indicate whether this statement is true or false.