Robustness Model-Model Respons Butir terhadap Pelanggaran Asumsi Independensi Lokal Butir  

Oleh:

Hasmy, Ali ; Suryanto ; Kumaidi

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI - non-atma jaya
Dalam koleksi: Jurnal Penelitian dan Evaluasi Pendidikan vol. 17 no. 2 (2013), page 215-229.
Topik: item response models; robustness; local item independence
Fulltext: 1696-4828-1-SM.pdf (553.03KB)

Isi artikel

The primary purpose of this study was to investigate the robustnessof the 1-PLM, 2-PLM, and 3-PLM, against violation of the Local Item Independence (LII) Assumption based on cut-off scores and score categories. The investigation used simulated data generated with 40 items, 500 simulees, and 10 replications for each model. The cut-off scores were built based-on 0 100% violations of the LII Assumption that were introduced using 1- 40 item clusters. The score categories in this study were built based-on impact of the violations of the LII Assumption to the structure of data matrix. The result showed that the most robust model was 1-PLM with cut-off score 31,71% (heavy violation category) followed by 2-PLM with cut-off score 12,1% (moderate violation category), and 3-PLM with cut-off score 7,68% (moderate violation category).

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