Dimiter Dimitrov

PhD, Southern Illinois University
Professor

Contact Information

Send email to ddimitro@gmu.edu

Phone: (703) 993-3842
Fax: (703)993-3678

George Mason University, Fairfax Campus
West Building 2007
4400 University Dr.
MS 6D2
Fairfax, VA 22030

Profile

Dimiter M. Dimitrov is a Professor of Educational Measurement and Statistics in the Graduate School of Education, where he teaches courses in Advance Quantitative Research and Structural Equation Modeling. For the last 10 years of his teaching experience at George Mason University and his previous institution, Kent State University, Dr. Dimitrov  has taught graduate courses in Multivariate Statistics, Quantitative Research Methods, Measurement (Classical and Item Response Theory), Generalizability Theory, and Structural Equation Modeling.

Dr. Dimiter Dimitrov received his bachelor's degree in mathematics from the University of Sofia "Kl. Ohridski", Bulgaria. He is a dual Ph.D. - in 1984 he received his (first) Ph.D. in Mathematics Education from the University of Sofia, Bulgaria, and in 1995 he received a Ph.D. in Educational Measurement and Statistics from the Department of Educational Psychology in Southern Illinois University at Carbondale, USA. Personal web site: http://mason.gmu.edu/~ddimitro/profile.

Research Interests

Dr. Dimitrov's current research interests include:

  • Theoretical and methodological issues of reliability and validity of measurements
  • Validation of cognitive structures using methods of item response theory and structural equation modeling
  • Psychometric analysis of student performance using multivariate analysis and latent trait modeling 

Recent Publications

  • Dimitrov, D. M. (2008) Quantitative Research in Education: Intermediate & Advanced Methods. Oceanside, NY: Whittier Publications.
  • Dimitrov, D. M. (2007). Least squares distance method of cognitive validation and analysis for binary items using their item response theory parameters. Applied Psychological Measurement, 31(5), 367-387.
  • Thomas, C. L., & Dimitrov, D. M. (2007). Effects of teen pregnancy prevention program on teens' attitudes toward sexuality: A latent trait modeling approach. Developmental Psychology, 43(1), 173-185.
  • Dimitrov, D.M., & Smith, R.M. (2006). Adjusted Rasch person-fit statistics. Journal of Applied Measurement, 7(2), 170-183.(PDF)
  • Dimitrov, D.M.(2006). Comparing groups on latent variables: A structural equation modeling approach. WORK: A Journal of Prevention, Assessment, & Rehabilitation, 26(4) (PDF)
  • Dimitrov, D.M. (2007). Reliability. In Erford, B.T. (Ed), Assessment for Counselors. Boston: Houghton-Mifflin/Lahaska Press (pp. 99-122).(PDF)
  • Dimitrov, D.M. & Rumrill, Phillip D. (2005). Multivariate methods in rehabilitation. WORK: A Journal of Prevention, Assessment, & Rehabilitation, 24, 205-212 (pdf)
  • Dimitrov, D.M. (2003). Marginal true-score measures and reliability of binary items as a function of their IRT parameters. Applied Psychological Measurement, 27(6), 440-458. (pdf)
  • Dimitrov, D.M., & Shelestak, D. (2003) Psychometric analysis of performance on categories of client needs and nursing process with the NLN diagnostic readiness test. Journal of Nursing Measurement,11(3), 207-223. (pdf)
  • Dimitrov, D.M. (2003). Reliability and true-score measures of binary items as a function of their Rasch difficulty parameter. Journal of Applied Measurement, 4(3), 222-233. (pdf)
  • Dimitrov, D.M., & Raykov, T. (2003). Validation of cognitive structures: A structural equation modeling approach. Mutivariate Behavioral Research, 38(1), 1-23. (pdf)
  • Dimitrov, D.M., & Rumrill, P. (2003). Pretest-posttest designs in rehabilitation research. WORK: A Journal of Prevention, Assessment, & Rehabilitation, 20(2), 159-165. (pdf)
  • Dimitrov, D.M. (2002). Reliability: Arguments for multiple perspectives and potential problems with generalization across studies. Educational and Psychological Measurement, 62(5), 783-801. (pdf)
  • Dimitrov, D.M., McGee, S., & Howard, B. (2002). Changes in students’ science ability produced by multimedia learning environments: Application of the linear logistic model for change. School Science and Mathematics, 102(1), 15-24. (pdf)
  • Mutua, K., & Dimitrov, D.M. (2001). Parent’s expectations about future outcomes of children with mental retardation in Kenya: Differential effects of child’s gender and severity of mental retardation. The Journal of Special Education, 35(3), 172-180. (pdf)

Other Information

Dr. Dimitrov is the Editor of Measurement and Evaluation in Counseling and Development -- the official journal of the Association for Assessment in Counseling and Education. He is also a member of the editorial board of thee other professional journals - Journal of Applied Measurement, Educational Researcher, and Research in The Schools. Currently Dr. Dimitrov is the President of the Mid-Western Educational Research Association (MWERA).