The "pleasure pathways" or internal reward centers in the human brain are primarily made up of
A. dopamine-sensitive neurons.
B. serotonin-sensitive neurons.
C. both dopamine-sensitive and serotonin-sensitive neurons.
D. none of these are correct
Answer: A
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If the null hypothesis is true, we would expect the F in the analysis of variance to be
a. approximately 0. b. somewhere around 1. c. at least 10. d. the value of F is not dependent on the status of the null hypothesis.
Research on aging and memory has shown that
a. declines in memory first become noticeable around age 50. b. older people experience difficulty on all memory tasks. c. reliance on data from cross-sectional studies may mean that what appear to be age differences in memory are due to other factors. d. the severity of memory loss is unrelated to age.
Which of the following statements regarding lie detectors is true?
A. examiners are more likely to identify liars as truthful people B. lie detectors measure only physiological changes C. evidence from lie detectors is admissible in most courts of law D. polygraph examiners make correct decisions 99% of the time
According to your text, if the results of the organizational analysis indicate that a positive climate for training exists, the next step is to conduct a ____analysis
a. climate b. demographic c. task d. person