References
- Bacher, J., Wenzig, K., & Vogler, M. (2004). SPSS two-step cluster: A first evaluation. https://www.ssoar.info/ssoar/handle/document/32715
- Beckstead, J. W. (2002). Using hierarchical cluster analysis in nursing research. Western Journal of Nursing Research, 24(3), 307–319. https://doi.org/10.1177/01939450222045923
- Bergman, L. R., Magnusson, D., & El Khouri, B. M. (2003). Studying individual development in an interindividual context: A person-oriented approach. Psychology Press.
- Borgen, F. H., & Barnett, D. C. (1987). Applying cluster analysis in counseling psychology research. Journal of Counseling Psychology, 34(4), 456–468. https://doi.org/10.1037/0022-0167.34.4.456
- Borgen, F. H., & Weiss, D. J. (1971). Cluster analysis and counseling research. Journal of Counseling Psychology, 18(6), 583–591. https://doi.org/10.1037/h0031745
- Cashwell, C. S., Young, J. S., Tangen, J. L., Pope, A. L., Wagener, A., Sylvestro, H., & Henson, R. A. (2016). Who is this God of whom you speak? Counseling students’ concept of God. Counseling and Values, 61(2), 159–175. https://doi.org/10.1002/cvj.12035
- Clatworthy, J., Buick, D., Hankins, M., Weinman, J., & Horne, R. (2005). The use and reporting of cluster analysis in health psychology: A review. British Journal of Health Psychology, 10(Pt 3), 329–358. https://doi.org/10.1348/135910705X25697
- Cook, R. M. (2020). Addressing missing data in quantitative counseling research. Counseling Outcome Research and Evaluation. https://doi.org/10.1080/21501378.2019.1711037
- Hays, D. (2010). Introduction to counseling outcome research and evaluation. Counseling Outcome Research and Evaluation, 1(1), 1–7. https://doi.org/10.1177/2150137809360006
- Henry, D. B., Tolan, P. H., & Gorman-Smith, D. (2005). Cluster analysis in family psychology research. Journal of Family Psychology, 19(1), 121–132. https://doi.org/10.1037/0893-3200.19.1.121
- Huberty, C. J., Jordan, E. M., & Brandt, W. C. (2005). Cluster analysis in higher education research. In J. C. Smart (Ed.), Higher education: Handbook of theory and research (pp. 437–457). Springer-Dordrecht.
- Jiang, D., Tang, C., & Zhang, A. (2004). Cluster analysis for gene expression data: A survey. IEEE Transactions on Knowledge and Data Engineering, 16(11), 1370–1386. https://doi.org/10.1109/TKDE.2004.68
- Lee, S. M., Cho, S. H., Kissinger, D., & Ogle, N. T. (2010). A typology of burnout in professional counselors. Journal of Counseling & Development, 88(2), 131–138. https://doi.org/10.1002/j.1556-6678.2010.tb00001.x
- Lenz, A. S. (2020). The future of counseling outcome research and evaluation. Counseling Outcome Research and Evaluation, 11(1), 1–3. https://doi.org/10.1080/21501378.2020.1712977
- Mohamad, I. B., & Usman, D. (2013). Standardization and its effects on k-means clustering algorithm. Research Journal of Applied Sciences, Engineering and Technology, 6(17), 3299–3303. https://doi.org/10.19026/rjaset.6.3638
- Norcross, J. C., & Lambert, M. J. (Eds.). (2019). Psychotherapy relationships that work: Volume 1: Evidence-based therapist contributions (3rd ed.). Oxford University Press.
- Norusis, M. (2011). IBM SPSS Statistics 19 statistical procedures companion. Prentice Hall.
- Patel, V. R., & Mehta, R. G. (2011). Impact of outlier removal and normalization approach in modified k-means clustering algorithm. International Journal of Computer Science Issues, 8(5), 331–336.
- Rochlen, A. B., Milburn, L., & Hill, C. E. (2004). Examining the process and outcome of career counseling for different types of career counseling clients. Journal of Career Development, 30(4), 263–275. https://doi.org/10.1023/B:JOCD.0000025115.25272.66
- Rothrauff, T. C., & Eby, L. T. (2011). Substance abuse counselors’ implementation of tobacco cessation guidelines. Journal of Psychoactive Drugs, 43(1), 6–13. https://doi.org/10.1080/02791072.2011.566491
- Tkaczynski, A. (2017). Segmentation using two-step cluster analysis. In T. Dietrich, S. Rundle-Thiele, & K. Kubacki (Eds.), Segmentation in social marketing (pp. 109–125). Springer.
- Wester, K. L., Borders, L. D., Boul, S., & Horton, E. (2013). Research quality: Critique of quantitative articles in the Journal of Counseling & Development. Journal of Counseling & Development, 91(3), 280–290. https://doi.org/10.1002/j.1556-6676.2013.00096.x
- Yuan, C., & Yang, H. (2019). Research on k-value selection method of k-means clustering algorithm. J — Multidisciplinary Scientific Journal, 2(2), 226–235. https://doi.org/10.3390/j2020016