News

2025

October

• Dr. Martinez gave a statistical workshop titled An Introduction to Longitudinal Diagnostic Classification Models at the 2025 NERA conference in Trumbull, CT, USA. The workshop materials can be accessed by clicking here.

August

• Kahee Han (University of Kansas), Dr. Hyeri Hong (California State University, Fresno), and Dr. Martinez presented their research titled Comparing Factor Structures of IPIP-NEO-120 and IPIP-HEXACO Using Exploratory Graph Analysis: A Network Psychometric Investigation of Agreeableness and Opennness to Experiences at the 2025 APA convention in Denver, CO, USA. 

• Dr. Martinez gave a talk titled Building Adaptive Assessments for Psychological Assessments with Continuous Response Formats at the 2025 APA convention in Denver, CO, USA. This is a collaborative effort between Dr. Jonathan Templin (University of Iowa), Dr. Tyler Hicks (University of Kansas), Dr. Jesse Pace (Utah Valley State University), and Dr. Karrie Shogren (University of Kansas). 

July

• A new research paper by Rebecca Yeager (University of Iowa, University of Illinois Urbana-Champaign) and Dr. Martinez titled A Sow's Ear Purse: Developing an Integrated Placement Test in an Under-resourced English for Academic Purposes Program was published in Language Testing. 

• Dr. Martinez gave a talk titled A Hamiltonian-Gibbs Sampler with Monotonicity Constraints for Diagnostic Classification Models  at the 2025 International Meeting of the Psychometrics Society in Minneapolis, MN, USA. 

• Dr. Olasunkanmi Kehinde (Elizabeth City State University), Dr. Martinez, and Mubarak Mojoyinola (University of Iowa) presented their research titled Impacts of Q-Matrix Design on Learning DCM Linear Attribute Hierarchies at the 2025 International Meeting of the Psychometrics Society in Minneapolis, MN, USA. 

May 

• Dr. Martinez gave a talk titled Psychometric Modeling of Psychological Assessments with Continuous Response Formats and Boundary Inflation at the 2025 APS conference in Washington, DC, USA.

April 

• Dr. Hyeri Hong (California State University, Fresno), Kahee Han (University of Kansas), and Dr. Martinez presented their research titled Evaluating the Effects of Different Informative Priors on Bayesian SEM Model Fit for Personality Measures at the 2025 AERA conference in Denver, CO, USA. This presentation was part of the Roundtable Session titled Advancing Psychometric Modeling: Innovative Techniques for Educational Assessment. 

• Dr. Martinez gave a talk titled Maximum Likelihood Estimation of Scale Scores via a Two-Stage Mixture Model Likelihood at the 2025 NCME conference in Denver, CO, USA. This presentation is part of the coordinated paper session titled Cutscore Estimation via Two-Stage Analysis: Implications for Psychometric Research and Practice.

February 

• Dr. Martinez gave an invited talk at the NYU PRIISM Seminar Series titled Building Adaptive Assessments for Psychological Assessments with Continuous Response Formats. Details and the announcement of the talk can be found here.

January 

• Dr. Martinez gave an invited talk at the Penn State QuantDev Brownbag Seminar titled A Hamiltonian-Gibbs Bayesian Sampler with Monotonicity Constraints for Restricted Latent Class Models. 

2024

• Dr. Alfonso J. Martinez joined the Department of Psychology at Fordham University as an Assistant Professor of Psychometrics and Quantitative Psychology!