What type of research design was used in this study?
What will be an ideal response?
A researcher was interested in determining whether more frequent breaks (i.e., "coffee breaks") in a business setting would help employees to be more productive. With the cooperation of the management, employees on one floor of the corporate offices were allowed to take a 10-minute break each hour (at any time) between 8:00 and 11:00 A.M. (for a total of 30 minutes). The comparison group comprised employees on different floors who followed the usual corporate policy of taking a 30-minute break sometime during the morning (at any time). Measures of productivity were gathered for each employee according to his or her job (e.g., number of reports written, number of sales made, etc.). A time series analysis was applied to compare the productivity of both groups of employees for six months before and after the intervention (started in July). Quite surprisingly, the productivity of both groups increased following the onset of the intervention, suggesting to the researcher that the timing of breaks makes no difference.
A times series with nonequivalent control group design was used.
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Hallucinogens
a. have the potential to produce physical dependence. b. can contribute to a variety of psychological disorders. c. are more dangerous than popular stories in the press. d. are safe for the fetus if taken by a pregnant woman.
In the case of a negative relationship, as scores on X _____, scores on Y _____
a. increase; decrease b. increase; increase c. decrease; decrease d. none of the other alternatives is correct
________ refers to anxiety over fulfilling expectations of lower performance felt by a particular group of people
a. Performance goal orientation b. Stereotype threat c. Stage-environment fit d. Opportunity structures