Coronary heart disease has been the leading cause of death in North America since the _______
a. 1950s
b. 1960s
c. 1970s
d. 1980s
Answer: A
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In an experiment designed to determine whether taking vitamin A before attending a social event improves self-esteem, what is the dependent variable?
a. Vitamin A b. The social event c. The level of self-esteem d. The age of the participants
A belief that is more common among rapists than other criminal offenders is that _____
a) they won't be caught. b) men should be dominant over women. c) women should be equal to men. d) rape is not a crime.
When do children first begin to refer to themselves by their own names?
12 months || 18 months || 24 months || 30 months || || ||
According to research done on sleep restriction, if one misses an entire night's sleep, it is best to
a. sleep late the next morning. b. nap during the day for more than an hour. c. restrict sleep to normal bedtime hours. d. go to bed early the following night.