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Papageorgiou, Spiros; Xi, Xiaoming; Morgan, Rick; So, Youngsoon – Language Assessment Quarterly, 2015
This study presents the development and empirical validation of score levels and descriptors specifically designed for reporting purposes to provide test takers with more than just a number on a score scale. In the context of a test primarily intended for 11- to 15-year-old students learning English as a second/foreign language, the study examined…
Descriptors: Scores, Validity, Scaling, Classification
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Ling, Guangming; Mollaun, Pamela; Xi, Xiaoming – Language Testing, 2014
The scoring of constructed responses may introduce construct-irrelevant factors to a test score and affect its validity and fairness. Fatigue is one of the factors that could negatively affect human performance in general, yet little is known about its effects on a human rater's scoring quality on constructed responses. In this study, we compared…
Descriptors: Evaluators, Fatigue (Biology), Scoring, Performance
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Xi, Xiaoming – Language Assessment Quarterly, 2007
Although the primary use of the speaking section of the Test of English as a Foreign Language Internet-based test (TOEFL[R] iBT Speaking) is to inform admissions decisions at English medium universities, it may also be useful as an initial screening measure for international teaching assistants (ITAs). This study provides criterion-related…
Descriptors: Test Validity, Speech Tests, Language Tests, English (Second Language)
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Xi, Xiaoming – ETS Research Report Series, 2008
Although the primary use of the speaking section of the Test of English as a Foreign Language™ Internet-based test (TOEFL® iBT Speaking test) is to inform admissions decisions at English medium universities, it may also be useful as an initial screening measure for international teaching assistants (ITAs). This study provides criterion-related…
Descriptors: Test Validity, Criterion Referenced Tests, English (Second Language), Language Tests