TopicTestlet (version 0.1.0)
A Topic Testlet Model for Calibrating Testlet Constructed
Responses
Description
Implements the Topic Testlet Model (TTM) as described by Xiong et al. (2025) .
The package integrates Latent Dirichlet Allocation (LDA) with the Partial Credit Model to
account for local item dependence in testlets using latent topics from student
textual responses.