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Iranian Journal of Applied Linguistics، جلد ۱۸، شماره ۲، صفحات ۷۷-۱۰۷
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| عنوان فارسی |
Rater Errors among Peer-Assessors: Applying the Many-Facet Rasch Measurement Model |
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| چکیده فارسی مقاله |
In this study, the researcher used the many-facet Rasch measurement model (MFRM) to detect two pervasive rater errors among peer-assessors rating EFL essays. The researcher also compared the ratings of peer-assessors to those of teacher assessors to gain a clearer understanding of the ratings of peer-assessors. To that end, the researcher used a fully crossed design in which all peer-assessors rated all the essays MA students enrolled in two Advanced Writing classes in two private universities in Iran wrote. The peer-assessors used a 6-point analytic rating scale to evaluate the essays on 15 assessment criteria. The results of Facets analyses showed that, as a group, peer-assessors did not show central tendency effect and halo effect; however, individual peer-assessors showed varying degrees of central tendency effect and halo effect. Further, the ratings of peer-assessors and those of teacher assessors were not statistically significantly different |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
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| چکیده انگلیسی مقاله |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
rajab esfandiari |
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| نشانی اینترنتی |
http://ijal.khu.ac.ir/browse.php?a_code=A-10-2-3&slc_lang=en&sid=en |
| فایل مقاله |
دریافت فایل مقاله |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
عمومی |
| نوع مقاله منتشر شده |
پژوهشی |
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