문항반응이론을 적용한 영재교육원 선발문항 분석

Abstract

The purpose of this study is to examine the appropriateness of the selection items conducted by the A university gifted education institute, this study analyzed the items based on the two - parameter logistic model of item response theory. The subjects were 377 elementary school students who applied to the science gifted education institute attached to the A university. The analysis items used at 1 stage paper test consisted of 37 items (test tool 1: 16 items, test tool 2: 14 items, test tool 3: 7 items), and it is a test to measure the creative problem solving ability of the gifted. As a result of the difficulty and discrimination of the items based on the item response theory, there were items that did not meet the ability level of the gifted students with large standard errors in the item difficulty were found in all of the test tools 1~3. The difficulty level of the test tool 2 was the highest and the test tool 3 was the lowest. In the item discrimination, test tool 1 and 2 showed more than 60~70% of the appropriate items. However, test tool 3 showed the lowest overall score. Therefore, it is necessary to control the degree of difficulty and discrimination of question items in order to secure the adequacy and stability as a gifted selection item. And by needs it is necessary to differentiate score ratios for test tool. This study has significant implications for developing reliable and valid gifted selection test tools and items.