Brandi Weiss

Brandi Weiss
Associate Professor, Educational Research
(202) 994-4362

Dr. Weiss is an Associate Professor of Quantitative Research Methods in The Graduate School of Education and Human Development (GSEHD) at The George Washington University. She received her Ph.D. in Measurement, Statistics, and Evaluation from the University of Maryland at College Park. Additionally, Dr. Weiss holds an M.A. in Assessment, Measurement, and Statistics from James Madison University.

Her personal research interests involves methodological issues in latent variable modeling with a specific focus on structural equation modeling (SEM), data-model fit, and scale development. She is particularly interested in investigating methods new methods of assessing data-model fit and methods to test for non-linear relations and interaction effects between latent variables. In addition to her methodological research, Dr. Weiss spent four years as the methodologist of the PETIT (Prematurity’s Effects on Toddlers, Infants and Teens) study examining longitudinal neuropsychological, cognitive, and behavioral outcomes of prematurely born children until their study concluded in 2016.

Dr. Weiss has over a fifteen years of experience working as a statistical and psychometric consultant. She has worked with clients across a wide array of disciplines including: audiology, business marketing, education, exercise science, human development, marine biology, medical sciences, neuropsychology, psychology, social work, and student affairs. Additionally, she has worked with a wide variety of assessment types ranging from large-scale University wide assessments, to item banking for computer-adaptive tests (CATs), to instrument and survey design, to conducting small-scale program evaluations. These clients have ranged from individuals conducting personal research projects, to corporations wishing to improve their marketing strategies, to Universities investigating the effectiveness of their general education courses. She has assisted clients with all aspects of planning research studies, conducting statistical analyses, writing journal articles and technical reports, designing instruments and surveys, assessing achievement, and program evaluation.

Dr. Weiss currently teaches graduate-level quantitative methods courses including: EDUC 6112 (Foundations of Assessment, Testing, and Measurement), EDUC 6116 (Introduction to Educational Statistics), EDUC 8120 (Group Comparison and Design Analyses), EDUC 8171 (Predictive Analyses), EDUC 8173 (Structural Equation Modeling), and a series experimental EDUC 8100 courses in Data Management and Factor Analysis. Prior to working at GW, she taught courses in Classroom Assessment and Introductory Statistics at The University of Maryland (UMD). While at UMD, she assisted in developing and implementing a Teaching Mentorship Program and served as the first Mentor Instructor of that program. She co-authored and was awarded a grant for the Teaching Mentorship Program from the Center of Teaching Excellence at The University of Maryland. Dr. Weiss participated as a member of the GW Faculty Learning Community for Junior Faculty (FLC, Jr.). Additionally, she completed a 5-workshop series in e-teaching and was awarded a grant from GW’s Online Learning Initiative (OLI) for online course development.

For more information about Dr. Weiss (including her teaching, research, and dissertation committee work) please visit her academic website: (formerly: ).

Ph.D., University of Maryland (Measurement, Statistics, Evaluation), M.A., James Madison University (Assessment, Measurement, Statistics), B.S., James Madison University (Psychology)


Dardick, W., & Weiss, B. A. (in press). Entropy-based measures for person fit in item response theory. Applied Psychological Measurement.

Weiss, B. A., & Dardick, W. (2016). An entropy-based measure for assessing fuzziness in logistic regression. Educational and Psychological Measurement, 76, 986 – 1004. doi: 10.1177/0013164415623820.

Baron, I. S., Weiss, B. A., Baker, R., Ahronovich, M. Litman, F., & Baveja, R. (2016). Neuropsychological outcomes in extremely preterm infants exposed to low oxygen targets: A retrospective study. Journal of International Neuropsychological Society. Advance online publication. doi: 10.1017/S1355617715001186.

Weiss, B. A., & Harring, J. R. (2015). Assessing spurious interaction effects in structural equation modeling: A cautionary note. Educational and Psychological Measurement.

Rider, N., Weiss, B. A., McDermott, A., Hopp, C., & Baron, I. S. (2015). Test of visuospatial construction: validity evidence in extremely low birth weight and late preterm children at early school age. Child Neuropsychology. Advance online publication. doi: 10.1080/09297049.2015.1026889

Baron, I. S., Hopp, C., & Weiss, B. A. (2014). Developmental normative data for the Baron-Hopkins board test of spatial location memory. Child Neuropsychology, 21, 732 – 750.

Chen, J., Choi, J., Weiss, B. A., & Stapleton, L. (2014). An empirical evaluation of mediation effect analysis using the Markov chain Monte Carlo and alternative estimation methods. Structural Equation Modeling: A Multidisciplinary Journal, 21, 253 – 262.

Beveridge, S., Karpen, S., Hadjiyane, M. C., Weiss, B. A., Liu, X. (2014). A mixed methods case study of an online forensic rehabilitation counseling graduate certificate program.

Baron, I. S., Weiss, B. A., Litman, F. R., Ahronovich, M. D., & Baker, R. (2014). Latent mean differences in executive function in at-risk preterm children: The delay-deficit dilemma, Neuropsychology, 28, 541-551.

Baron, I. S., Weiss, B. A., Baker, R., Ahronovich, M. D., & Litman, F. R. (2014). Subtle adverse effects in late preterm birth: A cautionary note. Neuropsychology.

McCann, J., Rider, G. N., Weiss, B. A., Litman. F. R., & Baron, I. S. (2014). The factor structure of the behavior rating inventory of executive function: Parent and teacher differences. Child Neuropsychology: A Journal on Normal and Abnormal Development in Childhood and Adolescence.

Weiss, B. A. (2013). Insignificant statistical significance and other methodological oversights. In I. S. Baron & S. Rey-Casserly (Eds.), Pediatric Neuropsychology: Medical Advances and Lifespan Outcomes.

Berry, K. A., Baron, I. S., Weiss, B. A., Baker, R. B., Ahronovich, M. D., & Litman, F. R. (2013). In vitro fetrilization and late preterm preschoolers' neuorpsycholgical outcomes: The PETIT study. American Journal of Obstetrics & Gynecology, 209, 356. e1-356.

Shi, Q., Steen, S., & Weiss, B. A. (2013). The impact of parental support and perception of school on Hispanic youth’s substance use. The Family Journal.

Harring, J. R., Weiss, B. A., & Hsu, J. C. (2012). A comparison of methods for estimating quadratic effects in nonlinear structural equation models. Psychological Methods, 17, 193-214.

Weiss, B. A. (2010). A Comparison of Methods for Estimating Interactions between Latent Variables in Structural Equation Modeling (Doctoral dissertation). University of Maryland, College Park, Maryland.

Pastor, D. A., Kaliski, P. K., & Weiss, B. A. (2007). Examining college students’ gains in general education. Research and Practice in Assessment, 1(2), 1-20.