NanaSomuah0233/DIF-Dataset-Comparison

一个精选的教育评估数据集集合，专门用于差异项目功能（DIF）分析，包含实际下载的数据（如果可用）。数据集包括多个子数据集，如EdNet（韩国TOEIC预备数据）、ASSISTments 2009（马萨诸塞州中学数学数据）、PISA 2018（国际学生评估项目数据）、TIMSS 2019（国际数学和科学趋势研究数据）等。每个子数据集都有详细的文件描述、列信息和DIF分析状态。此外，README还提供了数据集的比较表格、可行性矩阵、下载链接以及常见误解的纠正。

A curated collection of educational assessment datasets evaluated for Differential Item Functioning (DIF) analysis, with actual downloaded data where available. The dataset includes multiple sub-datasets such as EdNet (Korean TOEIC prep data), ASSISTments 2009 (Massachusetts middle school math data), PISA 2018 (Program for International Student Assessment data), TIMSS 2019 (Trends in International Mathematics and Science Study data), etc. Each sub-dataset has detailed file descriptions, column information, and DIF analysis status. Additionally, the README provides comparison tables, feasibility matrices, download links, and corrections for common misconceptions.