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Direct linkSawaki, Yasuyo; Sinharay, Sandip – Language Testing, 2018
The present study examined the reliability of the reading, listening, speaking, and writing section scores for the TOEFL iBT® test and their interrelationship in order to collect empirical evidence to support, respectively, the "generalization" inference and the "explanation" inference in the TOEFL iBT validity argument…
Descriptors: English (Second Language), Language Tests, Second Language Learning, Computer Assisted Testing
Sawaki, Yasuyo; Quinlan, Thomas; Lee, Yong-Won – Language Assessment Quarterly, 2013
The present study examined the factor structures across features of 446 examinees' responses to a writing task that integrates reading and listening modalities as well as reading and listening comprehension items of the TOEFL iBT[R] (Internet-based test). Both human and automated scores obtained for the integrated essays were utilized. Based on a…
Descriptors: English (Second Language), Language Tests, Essay Tests, Factor Structure
Download full textSawaki, Yasuyo; Sinharay, Sandip – ETS Research Report Series, 2013
This study investigates the value of reporting the reading, listening, speaking, and writing section scores for the "TOEFL iBT"® test, focusing on 4 related aspects of the psychometric quality of the TOEFL iBT section scores: reliability of the section scores, dimensionality of the test, presence of distinct score profiles, and the…
Descriptors: Scores, Computer Assisted Testing, Factor Analysis, Correlation
Sawaki, Yasuyo; Stricker, Lawrence J.; Oranje, Andreas H. – Language Testing, 2009
This construct validation study investigated the factor structure of the Test of English as a Foreign Language[TM] Internet-based test (TOEFL[R] iBT). An item-level confirmatory factor analysis was conducted for a test form completed by participants in a field study. A higher-order factor model was identified, with a higher-order general factor…
Descriptors: Speech Communication, Construct Validity, Factor Structure, Factor Analysis
Sawaki, Yasuyo; Stricker, Lawrence; Oranje, Andreas – ETS Research Report Series, 2008
The present study investigated the factor structure of a field trial sample of the Test of English as a Foreign Language™ Internet-based test (TOEFL® iBT). An item-level confirmatory factor analysis (CFA) was conducted for a polychoric correlation matrix of items on a test form completed by 2,720 participants in the 2003-2004 TOEFL iBT Field…
Descriptors: Factor Structure, Computer Assisted Testing, Multitrait Multimethod Techniques, Scores
Sawaki, Yasuyo – Language Testing, 2007
This is a construct validation study of a second language speaking assessment that reported a language profile based on analytic rating scales and a composite score. The study addressed three key issues: score dependability, convergent/discriminant validity of analytic rating scales and the weighting of analytic ratings in the composite score.…
Descriptors: Generalizability Theory, Speech Communication, Student Placement, Construct Validity
