The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items
Item bias or differential item function (DIF) refers to the situation in which the probability of correct responses to an item for examinees with equal ability measured by test but belong to different groups are not equal. The existence of bias in items decreases the validity of the test. In this st...
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| Format: | Article |
| Language: | English |
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Penerbit UTM Press
2009
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| Online Access: | http://eprints.utm.my/9987/ http://eprints.utm.my/9987/1/UTMjurnalTEK_50E_JUN%5B03%5D.pdf |
| _version_ | 1848891989833023488 |
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| author | Mohammad Pour, Ibrahim Abdul Ghafar, Mohamed Najib |
| author_facet | Mohammad Pour, Ibrahim Abdul Ghafar, Mohamed Najib |
| author_sort | Mohammad Pour, Ibrahim |
| building | UTeM Institutional Repository |
| collection | Online Access |
| description | Item bias or differential item function (DIF) refers to the situation in which the probability of correct responses to an item for examinees with equal ability measured by test but belong to different groups are not equal. The existence of bias in items decreases the validity of the test. In this study the range of item difficulty among surveyed groups, has been used as a method for detecting the item bias in Persian literature subtest as part of the Entrance Examination to Universities of Iran in 2003-2004. For this purpose, report cards of 5000 (each group of 1000 examinees) participants in this examination from three provinces i.e. Yazd, Azerbaijan Sharghi and Kurdistan as sample groups were analyzed using the computerized program, BILOG-MG. Out of 25, two items, numbers 9 and 10 showed bias between gender groups and both were in favour of female group and were identified as biased items. Of this number, four items numbers 2, 7, 9, and 12 showed bias among linguistic groups. |
| first_indexed | 2025-11-15T21:06:44Z |
| format | Article |
| id | utm-9987 |
| institution | Universiti Teknologi Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T21:06:44Z |
| publishDate | 2009 |
| publisher | Penerbit UTM Press |
| recordtype | eprints |
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| spelling | utm-99872011-05-11T02:13:49Z http://eprints.utm.my/9987/ The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items Mohammad Pour, Ibrahim Abdul Ghafar, Mohamed Najib LB2300 Higher Education Item bias or differential item function (DIF) refers to the situation in which the probability of correct responses to an item for examinees with equal ability measured by test but belong to different groups are not equal. The existence of bias in items decreases the validity of the test. In this study the range of item difficulty among surveyed groups, has been used as a method for detecting the item bias in Persian literature subtest as part of the Entrance Examination to Universities of Iran in 2003-2004. For this purpose, report cards of 5000 (each group of 1000 examinees) participants in this examination from three provinces i.e. Yazd, Azerbaijan Sharghi and Kurdistan as sample groups were analyzed using the computerized program, BILOG-MG. Out of 25, two items, numbers 9 and 10 showed bias between gender groups and both were in favour of female group and were identified as biased items. Of this number, four items numbers 2, 7, 9, and 12 showed bias among linguistic groups. Penerbit UTM Press 2009-06 Article PeerReviewed application/pdf en http://eprints.utm.my/9987/1/UTMjurnalTEK_50E_JUN%5B03%5D.pdf Mohammad Pour, Ibrahim and Abdul Ghafar, Mohamed Najib (2009) The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items. Jurnal Teknologi (Sains Sosial) (50E). pp. 21-27. ISSN 0127-9696 http://www.penerbit.utm.my/onlinejournal/50/E/JT50EJUN03.pdf |
| spellingShingle | LB2300 Higher Education Mohammad Pour, Ibrahim Abdul Ghafar, Mohamed Najib The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items |
| title | The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items |
| title_full | The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items |
| title_fullStr | The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items |
| title_full_unstemmed | The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items |
| title_short | The analysis of Iran universities’ 2003-2004 entrance examination to detect biased items |
| title_sort | analysis of iran universities’ 2003-2004 entrance examination to detect biased items |
| topic | LB2300 Higher Education |
| url | http://eprints.utm.my/9987/ http://eprints.utm.my/9987/ http://eprints.utm.my/9987/1/UTMjurnalTEK_50E_JUN%5B03%5D.pdf |