The textbook example displaying the words "THE CAT" emphasizes the benefit of

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."

Which of the following correlations represents the weakest degree of relation between two variables?

A) Daily calcium intake and bone mass density, r = +.11 B) Degree of exposure to lead and IQ scores in children, r = –.12 C) Hours of exposure to media violence and aggressive behavior, r = +.31 D) Number of cigarettes smoked per day and incidence of lung cancer, r = +.39