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PSY 550 Midterm Exam 3, Answered

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PSY 550 Midterm Exam Question 1: test-retest reliability with inter-rater reliability content validity with both predictive validity and construct validity internal validity with external vali... dity Question 2: Define and describe the six steps of the scientific method. Give an example of each step Question 3: When is it appropriate for a researcher to use deception in a study? When is it not appropriate? How can the negative effects of deception be minimized? Question 4: Use Stevens’ model of measurement scales to answer these questions: What type of scale is used when the variable is social class? Explain. Question 5: Contrast experimental with quasi-experimental methods; generally speaking, which methods are most useful? Question 6: Contrast probability and nonprobability sampling methods; generally speaking, which methods are most useful? Question 7: Researcher Sandy Beach found a correlation coefficient of +2.3 between variables X and Y. She is thrilled because that correlation is “like, way high.” She also feels that this answer “proves that X is like, causing Y.” What are three problems with Sandy’s conclusions? Question 8: For each of the research topics listed below, indicate the type of nonexperimental approach that would be most useful and explain why. Question 9: List the main sections (and subsections) of a research report. When writing a research report is it written in APA formatting. Question 10: When designing survey questions, how would you control for each of the following response styles: (a) willingness to answer, (b) position preference, and (c) yea- or nay-saying [Show More]

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