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Week Two Homework Exercise
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Answer the following questions covering material from Ch. 1–5 of the Methods in Behavioral Research text:
A researcher is interested in studying the effects of different levels of distraction—none, low, and high—on scores on a test of visual memory. Participants are randomly assigned to one of three conditions: no distraction, low distraction, or high distraction. All participants engage in a test of visual memory. What is the independent variable? What is the dependent variable? (2 points)
Define hypothesis and provide an example. (1 point)
Describe the content that should appear in a well-written informed consent form for a research study. (2 points)
What is an institutional review board? (1 point)
What is an operational definition of a variable? How might the variable sense of humor be defined operationally? (2 points)
Complete Table 4.1 on p. 72 of the text. For each of the eight examples listed, determine whether a positive, negative, or curvilinear relationship exists. (2 points)
