PSY 550 Midterm Exam 4
PSY 550 Midterm Exam
- 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?
- Contrast probability and nonprobability sampling methods; generally speaking, which methods are most useful?
- Contrast experimental with quasi-experimental methods; generally speaking, which methods are most useful?
- 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?
- For each of the research topics listed below, indicate the type of nonexperimental approach that would be most useful and explain why.
- Pushing ahead in line
- Daydreaming
- Locating the most popular painting in an art gallery
- Studiousness in college students
- Determining whether a particular patient has improved with psychotherapy.
- List the main sections (and subsections) of a research report.
- Compare and contrast the following terms: (a) test-retest reliability with inter-rater reliability, (b) content validity with both predictive validity and construct validity, and (c) internal validity with external validity.
- Use Stevens’ model of measurement scales to answer these questions:
- What type of scale is used when the variable is social class? Explain.
- What type of scale is used when the variable studied is a Top 40 list of popular songs? Explain.
- What type of scale is used when the variable studied is intelligence scores (for example, on the Stanford-Binet-R)? Explain.
- What type of scale is used when the variables studied are low and normal birth weights of newborns? Explain.
- Define and describe the six steps of the scientific method. Give an example of each step.
- 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?
Institution & Term/Date | |
Term/Date | Grand Canyon University |
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