Survey research and design in psychology/Lectures/Exploratory factor analysis

Outline
This lecture introduces and explains the use of exploratory factor analysis particularly for the purposes of psychometric instrument development. The lecture is accompanied by a computer-based tutorial about psychometrics.

Handouts

 * Lecture slides (Google slides)
 * 2018 handouts:
 * [[Media:SRDP Lecture05Handout EFA 6slidesperpage.pdf|Download 6 slides to a page]]: SRDP Lecture05Handout EFA 6slidesperpage.pdf
 * [[Media:SRDP Lecture05Handout EFA 3slidesperpage.pdf|Download 3 slides to a page]]: SRDP Lecture05Handout EFA 3slidesperpage.pdf

Readings

 * 1) Beavers, A. S., Lounsbury, J. W., Richards, J. K., Huck, S. W., Skiloits, G. J., Esquivel, S. L. (2013). Practical considerations for using exploratory factor analysis in educational research. Practical Assessment, Research & Evaluation, 18(6).
 * 2) Fabrigar, L. R., Wegener, D. T., MacCallum, R. C., & Strahan, E. J. (1999). Evaluating the use of exploratory factor analysis in psychological research. Psychological Methods, 4, 272-299.
 * 3) Floyd, F. J., & Widaman, K. F. (1995). Factor analysis in the development and refinement of clinical assessment instruments. Psychological Assessment, 7, 286-299.


 * 1) Howitt and Cramer (2014a). Chapter 31: Factor analysis: Simplifying complex data (pp. 423-443) UCLearn reading list (Exploratory factor analysis section)
 * 2) Streiner, D. L. (1994). Figuring out factors: The use and misuse of factor analysis. The Canadian Journal of Psychiatry, 39, 135-140.
 * 3) Tabachnick, B. G. & Fidell, L. S. (2007). Principal components and factor analysis. In Using multivariate statistics. (6th ed., pp. 607-675). Needham Heights, MA: Allyn & Bacon. UCLearn reading list (Exploratory factor analysis section)
 * 4) Wikiversity (2017). Exploratory factor analysis: Glossary.
 * 5) Williams, B., Brown, T., & Onsman, A. (2012). Exploratory factor analysis: A five-step guide for novices. Australian Journal of Paramedicine, 8(3).

Recording

 * Lecture 05 recording (2018)