CCMH/525 Version 1 / 1
University of Phoenix Material
Week Two Homework Exercise
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)