Which of the following studies is best for showing that the first variable causes changes in the second variable?
a. A researcher asks people who are entering the grocery store how hungry they are and then asks them how much they spent on food as they leave the store.
b. A researcher assigns participants to sleep various amounts of hours and then observes how cranky they are.
c. A researcher asks participants how well they like to think and how many books they have read in the last 6 months.
d. A researcher asks participants how many hours per week they listened to Beethoven while growing up and then gives them a math ability test.
B
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According to Erikson, the first challenge in a child's development is that of:
a) initiative versus guilt. b) industry versus inferiority. c) trust versus mistrust. d) autonomy versus shame.
An important difference between television and video games is that
A) practically all U.S. teens have access to a TV but only a small minority have access to a video game system. B) girls watch more TV than boys, but boys play more video games. C) unlike watching TV, in video games the player is the character who carries out various actions and gets points for doing so. D) graphic violence is more common on TV than in video games.
Thomas has always played tennis, but now that he is in his 60s, he finds he has more trouble following the ball and connecting his racquet with it. Thomas is experiencing a loss of
a) dexterity. b) stamina. Consider This: Arthritic changes in the joints affect this ability. LO 2.3: Discuss changes in physical behavior like decline of stamina, dexterity, and balance; changes in sleep habits and sexual functioning c) balance. Consider This: Arthritic changes in the joints affect this ability. LO 2.3: Discuss changes in physical behavior like decline of stamina, dexterity, and balance; changes in sleep habits and sexual functioning d) density. Consider This: Arthritic changes in the joints affect this ability. LO 2.3: Discuss changes in physical behavior like decline of stamina, dexterity, and balance; changes in sleep habits and sexual functioning
Two years ago, fifteen-year-old Kevin started questioning whether he believes in God. Likewise, he has not yet determined a career path for himself. According to James Marcia, which of the following identity statuses would fit Kevin BEST?
A) Identity moratorium B) Identity diffusion C) Identity achievement D) Identity foreclosure