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  "Title": "A Topic Testlet Model for Calibrating Testlet Constructed\nResponses",
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  "Authors@R": "c(\nperson(\"Jiawei\", \"Xiong\", email = \"jiawei.xiong@uga.edu\", role = c(\"aut\", \"cre\")),\nperson(\"Cheng\", \"Tang\", role = \"ctb\"),\nperson(\"Qidi\", \"Liu\", role = \"ctb\")\n)",
  "Description": "Implements the Topic Testlet Model (TTM) as described by\nXiong et al. (2025) <doi:10.1111/jedm.70001>. The package\nintegrates Latent Dirichlet Allocation (LDA) with the Partial\nCredit Model to account for local item dependence in testlets\nusing latent topics from student textual responses.",
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    "User": "root"
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  "Author": "Jiawei Xiong [aut, cre], Cheng Tang [ctb], Qidi Liu [ctb]",
  "Maintainer": "Jiawei Xiong <jiawei.xiong@uga.edu>",
  "Repository": "https://cran.r-universe.dev",
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    {
      "page": "aggregate_responses",
      "title": "Concatenate Student Responses",
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    {
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      "topics": [
        "ttm_lda"
      ]
    },
    {
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