A group of participants took part in a year-long study of the effects of 30 minutes of physical exercise per day on the heart. At the end of the study, what are the researchers likely to report?
a) The hearts of participants are now more efficient.
b) The participants' hearts increased dramatically in size.
c) Participants' blood pressure levels are now higher than before.
d) A significant number of people suffered a heart attack during exercise.
A
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Maggie, a participant in a longitudinal study, became "test-wise" over time. Her performance on the test improved with increased familiarity with the measure. This is an example of
A) biased sampling. B) selective attrition. C) practice effects. D) cohort effects.
In the opening of this chapter, two men's reactions to spam e-mail were described. The fact that neither of the men was able to shrug off their annoyance to the spam illustrates the fact that ____
a. emotion is largely consciously controlled b. emotion is largely outside conscious awareness c. emotion is a positive coping skill d. emotion is a negative coping skill