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Sawaki, 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
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Sawaki, 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
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Stricker, Lawrence J.; Rock, Donald A. – ETS Research Report Series, 2008
This study assessed the invariance in the factor structure of the "Test of English as a Foreign Language"™ Internet-based test (TOEFL® iBT) across subgroups of test takers who differed in native language and exposure to the English language. The subgroups were defined by (a) Indo-European and Non-Indo-European language family, (b)…
Descriptors: Factor Structure, English (Second Language), Language Tests, Computer Assisted Testing
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Attali, Yigal – ETS Research Report Series, 2007
This study examined the construct validity of the "e-rater"® automated essay scoring engine as an alternative to human scoring in the context of TOEFL® essay writing. Analyses were based on a sample of students who repeated the TOEFL within a short time period. Two "e-rater" scores were investigated in this study, the first…
Descriptors: Construct Validity, Computer Assisted Testing, Scoring, English (Second Language)