# References

Cohen, J. (1988). *Statistical power analysis for the behavioral sciences*. 2nd Ed. Hillsdale, NJ, Erlbaum.

Field, A. P. (20). Discovering statistics using SPSS: (and sex, drugs and rock ‘n’ roll) (5th ed.). Los Angeles: SAGE Publications.

Gorsuch, R. L. (2014). *Factor analysis: Classic edition*. Routledge.

George, D., & Mallery, P. (2003). *SPSS for Windows step by step: A simple guide and **reference. 11.0 update (4th ed.).* Boston: Allyn & Bacon.

Hatcher, L. (1994) *A Step-by-Step Approach to Using the SAS System for Factor Analysis and Structural Equation Modeling.* SAS Institute, Inc., Cary.

Kline, P. (1994). *An Easy Guide to Factor Analysis.* Abingdon-on-Thames: Routledge.

Tabachnick, B., & Fidell, L. (2019). *Using Multivariate Statistics (7th Ed).* Boston, MA: Pearson Education Inc.