Estimating Heterogeneous Treatment Effects with Item-Level Outcome Data: Insights from Item Response Theory
利用题目级结果估计异质性处理效应:项目反应理论的启示
Analyses of heterogeneous treatment effects (HTE) are common in applied causal inference research. However, when outcomes are latent variables assessed via psychometric instruments such as educational tests, standard methods ignore the potential HTE that may exist among the individual items of the outcome measure. Failing to account for "item-level" HTE (IL-HTE) can lead to both underestimated standard errors and identification challenges in the estimation of…