To improve the chances of aging successfully, it is recommended that people employ preventive strategies in four key areas. Which area is primarily focused on maintaining autonomy?

The repeated-measures ANOVA is a two-stage process. Which of the following accurately describes what happens during this process?

a. The first stage removes individual differences from the numerator of the F-ratio, and the second stage removes individual differences from the denominator. b. The first stage removes individual differences from the numerator. c. The second stage removes individual differences from the denominator. d. None of these

One group of researchers conducted a study on adolescent emotions by paging fifth- through ninth-graders at various times during the day and asking for a description of their moods at that moment. They also collected questionnaires and found that the older children expressed more negative emotions associated with

a. a lack of sleep. c. their physical appearance. b. negative life events. d. their dietary intake.