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Research Library

All reports in LSAC’s Research Library are available upon request. Executive summaries are available below for the latest LSAT Technical Reports and other research published within the last 10 years.

Looking for older reports? Consult the Research Archive

Current Research:

2025 Prelaw Advisor Landscape Study

The Bayesian Covariance Structure Model for Testlets (PR 19-02)

Modeling Multilevel Dependence Structures for Responses and Process Data in a Bayesian Framework (PR 19-03)

Predicting Future Academic Success: How a Bayesian Approach Can Be of Help in Analyzing and Interpreting Admission Test Scores (PR 19-01)

Bayesian Marginal Joint Models for Responses and Process Data (PR 18-03)

Response Times in a Bayesian Marginal Modeling Framework (RR 18-02)

Modeling Differential Working Speed in Educational Testing (RR 14-05)

Likelihood-based Estimation Methods for Models for Concurrent Continuous and Discrete Responses (RR 05-04)

Derivation and Applicability of Asymptotic Results for Multiple-Subtest Person-Fit Statistics (RR 15-02)

The Use of Person-Fit Scores in High-Stakes Educational Testing: How to Use Them and What They Tell Us (RR 14-03)

Joint Modeling of Ability and Differential Speed Using Responses and Response Times (RR 16-04)

Marginalized Measurement Variance Modeling and Bayes Factor Testing (RR 16-06)

Likelihood-based Statistics for Validating Continuous Response Models (RR 05-03)

The Probability of Exceedance as a Nonparametric Person-Fit Statistic for Tests of Moderate Length (RR 13-06)

A Hierarchical Framework for Modeling Speed and Accuracy on Test Items (RR 05-02)