Learning Objectives
- Explain the difference between the third variable problem and the directionality problem.
- Explain how Spearman’s rho, Pearson’s r, and chi-square differ. Give an example of a research problem that requires the use of ranked data.
- Why has psychology as a discipline been slow to embrace qualitative methodology?
- List three decisions you must make about your procedure before starting your behavioral observations.
- In calculating inter-rater reliability, what advantage does Cohen’s kappa have over percent agreement?
- Why is the structured interview considered the equivalent of a verbally administered questionnaire? What advantages and disadvantages do you see to the structured interview, the semistructured interview, and the unstructured interview? What are interviewer effects?
- What are the advantages and disadvantages of doing a content analysis? Explain how content analysis can be considered both a qualitative and a quantitative approach to research.