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All Journal International Journal of Evaluation and Research in Education (IJERE)
Seçil Ömür Sünbül
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The Impact of Different Missing Data Handling Methods on DINA Model Seçil Ömür Sünbül
International Journal of Evaluation and Research in Education (IJERE) Vol 7, No 1: March 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.481 KB) | DOI: 10.11591/ijere.v7i1.11682

Abstract

In this study, it was aimed to investigate the impact of different missing data handling methods on DINA model parameter estimation and classification accuracy. In the study, simulated data were used and the data were generated by manipulating the number of items and sample size. In the generated data, two different missing data mechanisms (missing completely at random and missing at random) were created according to three different amounts of missing data. The generated missing data was completed by using methods of treating missing data as incorrect, person mean imputation, two-way imputation, and expectation-maximization algorithm imputation. As a result, it was observed that both s and g parameter estimations and classification accuracies were effected from, missing data rates, missing data handling methods and missing data mechanisms.
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