Applying Genetic Algorithm to Generation of High-Dimensional Item Response Data

ByoungWook Kim, JaMee Kim and WonGyu Lee

Mathematical Problems in Engineering, 2015, vol. 2015, 1-13

Abstract:

The item response data is the -dimensional data based on the responses made by examinees to the questionnaire consisting of items. It is used to estimate the ability of examinees and item parameters in educational evaluation. For estimates to be valid, the simulation input data must reflect reality. This paper presents the effective combination of the genetic algorithm (GA) and Monte Carlo methods for the generation of item response data as simulation input data similar to real data. To this end, we generated four types of item response data using Monte Carlo and the GA and evaluated how similarly the generated item response data represents the real item response data with the item parameters (item difficulty and discrimination). We adopt two types of measurement, which are root mean square error and Kullback-Leibler divergence, for comparison of item parameters between real data and four types of generated data. The results show that applying the GA to initial population generated by Monte Carlo is the most effective in generating item response data that is most similar to real item response data. This study is meaningful in that we found that the GA contributes to the generation of more realistic simulation input data.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:589317

DOI: 10.1155/2015/589317

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