Psychology > EXAM > PSYC 3003 Midterm Exam Week 6 – Question and Answers (All)

PSYC 3003 Midterm Exam Week 6 – Question and Answers

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PSYC 3003 Midterm Exam Week 6 – Question and Answers Before a study begins, when differences exist between the kinds of individuals in one group of an experiment and those in another, there is a po ... tential threat to internal validity called A limitation of program evaluation research is its In comparison to the single-group before-after design, the comparison-group before-after design Which of the following three approaches are used to reduce the amount of data that needs to be recorded in naturalistic observation? In a study involving altruism in restaurants, Elena focused only on the helping behaviors that each restaurant employee demonstrated (and not on any other types of behaviors). This is an example of which of the following sampling methods? Which of the following is an example of a single-group research design? Helen and her team of observers were hired by a corporation to examine work productivity. Each observer focused on a single worker for a period of 30 minutes before moving on to observe another worker. This is an example of which of the following sampling methods? Buchanan, Tranel, and Kirschbaum (2009) compared three groups of participants, one of which had damage to the hippocampus, one that had similar brain damage but not to the hippocampus, and a control group of participants. The researchers assessed responses of the three groups both before and after they were exposed to stress. The hippocampus group showed less change in cortisol response to stress than the other two groups. What research design was used in this research? Which of the following is least likely to be a threat to validity in a single-group before-after design? [Show More]

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