What was a finding in the study by Nedeltcheva and colleagues (2010) presented in the text regarding the interaction of sleep and diet?
a. Participants who slept 5.5 hours per night lost significantly more body fat than lean body mass than those who got 8.5 hours per night.
b. Participants who slept 8.5 hours per night lost about equal amounts of weight as those who slept less.
c. Participants who slept 5.5 hours per night lost significantly less weight than those who slept 8.5 hours per night.
d. Participants who slept 8.5 hours per night lost significantly less weight than those who slept less.
Answer: b. Participants who slept 8.5 hours per night lost about equal amounts of weight as those who slept less.
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Lance's class was upset with Arthur's class after they lost at the Little Olympics day at school. The best way for the teachers to help restore good feelings is to
a. have both classes engage in a fun activity like watching a movie together. b. give all the members of both classes a new activity in which they will have equal status and can accomplish a common goal. c. do an interactive activity where Lance's class is likely to win. d. do all of these.
Deidre is constantly worried about being fat. In addition, a few times a week, she will eat large quantities of food and then force herself to vomit. As a result, she also suffers from nutritional imbalances, intestinal damage, and dental problems. What is Deidre most likely diagnosis??
a. ?obesity b. ?weight obsession c. ?anorexia nervosa d. ?bulimia
In an experiment on the effects of gamma rays on the growth of morning glory flowers, the independent variable would be
a. intensity of the gamma rays. b. morning glory flowers. c. growth of the flowers. d. the botanist.
One ethical consideration that is necessary in conducting research with children is
a. making sure that incentives are generous. b. informing children about aspects of the research. c. including the names of all children in written research records. d. informing children's parents about the results of the research.