Journal of Fisheries and Marine Sciences Education (수산해양교육연구)

The Korean Society for Fisheries and Marine Sciences Education (한국수산해양교육학회)
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An Item Characteristic Analysis of Competency Inventory for Designer via Generalized Partial Credit Mode

일반화부분점수 모형에 의한 디자인역량 검사 특성 분석

  • Received : 2015.09.03
  • Accepted : 2015.10.03
  • Published : 2015.12.31
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Abstract

This study was performed to analyze the item characteristics of competency inventory for designer (CID), which Gil (2011) developed for measurement of design competency. To accomplish the purpose of this study, general partial credit (GPC) model based on polytomous item response theory was applied. The findings were as follows: First, CID is a reliable instrument for measuring design competency. Second, most items of CID have low item discrimination and average item difficulty according to the GPC model. Especially, there are some problems to have low item discrimination in view of validation. To improve the goodness of CID, we will need to examine why CID has low item discrimination.

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References

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