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Ahmadi Shirazi, Masoumeh – SAGE Open, 2019
Threats to construct validity should be reduced to a minimum. If true, sources of bias, namely raters, items, tests as well as gender, age, race, language background, culture, and socio-economic status need to be spotted and removed. This study investigates raters' experience, language background, and the choice of essay prompt as potential…
Descriptors: Foreign Countries, Language Tests, Test Bias, Essay Tests
Kebble, Paul Graham – The EUROCALL Review, 2016
The C-Test as a tool for assessing language competence has been in existence for nearly 40 years, having been designed by Professors Klein-Braley and Raatz for implementation in German and English. Much research has been conducted over the ensuing years, particularly in regards to reliability and construct validity, for which it is reported to…
Descriptors: Language Tests, Computer Software, Test Construction, Test Reliability
Zahedi, Keivan; Shamsaee, Saeedeh – Educational Assessment, Evaluation and Accountability, 2012
The aim of the present research is to examine the viability of the construct validity of the speaking modules of two internationally recognized language proficiency examinations, namely IELTS and TOEFL iBT. High-stake standardized tests play a crucial and decisive role in determining the future academic life of many people. Overall obtained scores…
Descriptors: Foreign Countries, Construct Validity, Language Tests, English (Second Language)

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