Frequent changes in diet and weight can
a. make you healthier.
b. improve fitness.
c. lead to a risk of heart disease and premature death.
d. lead to none of these.
C
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In which of the following circumstances would you be LEAST LIKELY to see assortative mating taking place?
a. in a college extra-curricular club b. in a speed-dating event c. in a common-interest internet chat room d. at a church or temple
Researchers working in universities and other agencies must receive the approval of institutional review boards (IRBs) for human participant research and institutional animal care and use committees (IACUCs) before conducting research, ____
a. if their institution receives federal funding b. if their institution receives private funding c. only if their research involves vulnerable populations d. only if their research has a questionable purpose
Dreams are most likely to be vivid during non-rapid eye movement (NREM) sleep, whereas images are vaguer and more fleeting during rapid eye movement sleep (REM) sleep
Indicate whether the statement is true or false
Which of the following is a real world example of using positive reinforcement to change people's behaviors so that they would increase their conservation efforts?
a. providing information regarding the number of gallons of water consumed that week b. providing rebates for buying energy-efficient appliances or cars c. placing an energy tax on gasoline d. none of these