References

American Educational Research Association and American Psychological Association and National Council on Measurement in Education and Joint Committee on Standards for Educational and Psychological Testing. 1999. Standards for Educational and Psychological Testing. Amer Educational Research Assn.

Kaufman, Leonard, and Peter J Rousseeuw. 2009. Finding Groups in Data: An Introduction to Cluster Analysis. Vol. 344. John Wiley & Sons.

MacCallum, Robert C, Shaobo Zhang, Kristopher J Preacher, and Derek D Rucker. 2002. “On the Practice of Dichotomization of Quantitative Variables.” Psychological Methods 7 (1): 19.

Pittenger, David J. 1993. “Measuring the MBTI... And Coming up Short.” Journal of Career Planning and Employment 54 (1): 48–52.