The _____ is the most often used descriptive statistic in psychology
a. frequency distribution c. mode
b. mean d. correlation
B
The mean is useful in and of itself, but it is also used when other statistics are calculated. Group means are often presented in graph form.
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Preventive health behavior is best motivated by _____ framed messages; behavior leading to the detection of a disease is best motivated by _____.
a. negatively; positively framed messages b. positively; negatively framed messages c. negatively; negatively framed messages as well d. positively; positively framed messages as well
As Chapter 13 discussed, researchers admit that we do not yet have a complete explanation for the fact that—on some long-term tasks—elderly adults remember less than young adults
However, which of the following students provides the best summary of one factor that accounts for age-related differences? a. Sergei: "Elderly adults remember contextual cues better than young adults, and these cues tend to disrupt performance on explicit recall tasks." b. Isabelle: "Elderly adults typically fail to use long-term memory strategies based on organization and imagery; as a result, information often cannot be retained in long-term memory." c. Mandy: "Elderly adults are more likely than young adults to have difficulty paying attention, which can affect performance on memory tasks." d. Christopher: "Elderly adults are much too confident about their memory skills, so they actually spend less time rehearsing the material."