Grant B. Morgan
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Grant B. Morgan, Ph.D.

Quantitative Methodologist · Psychometrician · Research Leader

Methodology, Evidence, and Inference

I study how quantitative methods and evidentiary reasoning support defensible conclusions about constructs, models, populations, and consequential decisions.

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Grant B. Morgan

Professor of Quantitative Methods
Department of Educational Psychology

Associate Dean for Research
Moody School of Education

Baylor University

Research Focus

My scholarship examines the validity of inferences supported by quantitative evidence. This work connects four broad areas:

Latent Variable Modeling

Examining the estimation, evaluation, and interpretation of models involving constructs that cannot be observed directly.

Psychometrics and Measurement

Studying how instruments and scores support conclusions about psychological and educational phenomena.

Classification and Decision-Making

Investigating model-based classification, group enumeration, uncertainty, and the consequences of quantitative decisions.

Validity and Evidentiary Reasoning

Evaluating how research design, measurement, analysis, and interpretation work together to support defensible conclusions.

Explore the Research Program

Selected Contributions

Categorical Latent-Variable Estimation

Research on the accuracy and performance of estimation methods under conditions commonly encountered in applied research.

Latent Class and Profile Enumeration

Research examining how data characteristics affect decisions concerning the number and nature of latent groups.

Model-Fit Evaluation

Research evaluating the performance of fit indices across a range of latent-variable models and analytic conditions.

Consequential Inference

Emerging work examining how measurement, model choice, and analytic uncertainty affect consequential classifications and decisions.

Impact at a Glance

108

Peer-Reviewed Publications

5,727

Google Scholar Citations

32

h-index

52

Student Coauthors

Citation and h-index values reflect Google Scholar and will be updated periodically.

Recent Work

2026Peer-Reviewed Journal Article

The use of multilevel latent growth modeling analyzing clustered data within individuals: An applied study comparing aggregated and multilevel approaches and a simulation study of sample size

Matsuo, H.; Morgan, G. B.; Ridder, R. J.; Schnitker, S. A.

Methods in Psychology

2026Peer-Reviewed Journal Article

Serving youth with disabilities and mental health conditions: A national study of youth ministry leaders

Carter, E.; LeShana, J.; Chance, M.; Reed, A. H.; Yancey, G.; McMullen, E.; Roe da Silva, A.; Utama, C.; Eshman, S.; Davis, C.; Chang, J.; Morgan, G. B.

Review of Religious Research

2026Peer-Reviewed Journal Article

Rasch investigation of the CogAT Form 8 verbal, quantitative, and nonverbal domains in grades 3 through 5

Tores, D. K.; Lutz, L. A.; Song, J.; Ozkan, F.; Spitsberg, T.; Filippini, T.; Matsuo, H.; Morgan, G. B.

Journal of Psychoeducational Assessment

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Collaboration and Engagement

The strongest methodological collaboration begins early, when measurement, design, and analysis can be developed together.

I contribute to research and grant projects through methodological leadership, measurement planning, statistical analysis, evaluation, validity review, speaking, workshops, and advisory service.

Discuss an Engagement

Teaching, Mentoring, and Research Leadership

My mentoring uses a progressive apprenticeship model to help students develop from observers and contributors into independent scholars and methodological collaborators.

My research leadership focuses on building the systems, incentives, infrastructure, and capacity that allow scholars and institutions to pursue ambitious research goals.

Teaching & Mentoring

Research Leadership

© 2026 Grant B. Morgan

Google Scholar · ORCID · ResearchGate · Baylor Profile

Professor of Quantitative Methods · Associate Dean for Research