Estimasi Parameter Item dan Latent Class dengan Model Dina untuk diagnosis kesulitan belajar

Estimation of Item Parameter and Latent Class with DINA Model to Diagnose Learning Difficulties. This study aims to estimate item parameter of diagnostic test developed with DINA model and identify attribute profiles of each test participant. The instrument of this study was diagnostic test using multiple choice format with 4 options. The data were analyzed using Mplus software, R program and ITEMAN. The results show that out of 8 items measuring social arithmetic and comparison, there was only one item that had low guessing and slip parameter. The study also found that basic operation and concept in arithmetic and verbal questions were problematic for most students