Which reason correctly explains why life expectancy has continued to rise for the world's population?
A. Major alterations in the human genetic code have taken place.
B. Improved nutrition and the rate of obesity have increased.
C. Vaccinations and preventive measures against diseases are commonplace.
D. Improved ranges of leisure activities are available.
Answer: C
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Periodic limb movement disorder is most common for whom?
a. Overweight men b. Children with attention deficit disorder c. People who abuse alcohol d. People over age 50
If you needed a personality inventory capable of measuring a person's degree of psychopathology, you would probably use
a. Cattell's 16 Personality Factor Questionnaire. b. the Edwards Personal Preference Schedule. c. the Minnesota Multiphasic Personality Inventory. d. factor analysis.
Which of the following students provides the most accurate information about the research on "heroes," or people who risk their life to help other people?
a. Tanika: "Men are likely to be more heroic than women when physical strength is required.". b. Josh: "Men and women are equally heroic when the heroic action is done in private.". c. Shoshona: "Men are likely to be more heroic than women when the action involves pain and the possibility of medical problems.". d. Gerard: "Men were more likely than women to try to save Jews during the Nazi holocaust.".
Social interactions between 11- and 12-year-old boys and girls may be awkward because
a. girls tend to do much better than boys in school at this age, and this becomes a source of endless teasing and torment. b. girls form cliques and boys form crowds, and thus they really have nothing to talk about c. they are not yet at the age where they have anything in common, and thus there is no real value in these social interactions. d. the girls may be taller and look more mature than the boys, since their pubertal growth spurt begins earlier.