PSY 550 Midterm Exam 3

PSY 550 Midterm Exam

Question 1:

1. test-retest reliability with inter-rater reliability
2. content validity with both predictive validity and construct validity
3. internal validity with external validity

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