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stat.ME2025
Polytomous Explanatory Item Response Models for Item Discrimination: Assessing Negative-Framing Effects in Social-Emotional Learning Surveys
Joshua B. Gilbert, Lijin Zhang, Esther Ulitzsch +1
Modeling item parameters as a function of item characteristics has a long history but has generally focused on models for item location. Explanatory item response models for item d…
stat.ME2024
Item-Level Heterogeneous Treatment Effects of Selective Serotonin Reuptake Inhibitors (SSRIs) on Depression: Implications for Inference, Generalizability, and Identification
Joshua B. Gilbert, Fredrik Hieronymus, Elias Eriksson +1
In analysis of randomized controlled trials (RCTs) with patient-reported outcome measures (PROMs), Item Response Theory (IRT) models that allow for heterogeneity in the treatment e…