Regarding intrinsic and extrinsic motivations, which of the following statements is TRUE?
a. Extrinsic motivation in the form of money and awards tends to increase creativity.
b. Extrinsic motivations are often necessary, but they should not be overused, especially with children.
c. If there is high intrinsic interest in an activity initially, then extrinsic rewards should be used immediately to enhance it.
d. The quality of work can be increased by using extrinsic motivations.
B
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For most cases of hypertension, the cause is ____
a. easily determined c. determined by a blood test b. not known d. not associated with stress
Puberty appears to have two effects, ________________the circadian cycle and ________________ the accumulation of sleep pressure by the homeostatic drive system
a. shortening; reducing b. lengthening; increasing c. lengthening; reducing d. shortening; increasing
Which of the following statements is NOT true?
A. Multisystemic Therapy has been found to reduce recidivism among juveniles. B. Multisystemic Therapy has not been effective in reducing substance use among juveniles. C. Multisystemic Therapy is costly, but overall, cost effective when considering its effectiveness. D. None of these statements is true.
Suppose I am interested in knowing whether adults who are very introverted at age 20 are still highly introverted at age 50. Which of the following statistical analyses will I be most likely to use?
a. a comparison of average introversion scores for a sample of adults aged 20 and another sample aged 50 b. a comparison of average introversion scores at age 20 and age 50 for the same adults assessed longitudinally c. an analysis of the average amount in introversion between any two measurements of the same people over time d. a calculation of the correlation between scores on the key variable at two time points in a group of subjects studied longitudinally between age 20 and age 50