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Isaacs, Talia; Trofimovich, Pavel – Studies in Second Language Acquisition, 2012
Comprehensibility, a major concept in second language (L2) pronunciation research that denotes listeners' perceptions of how easily they understand L2 speech, is central to interlocutors' communicative success in real-world contexts. Although comprehensibility has been modeled in several L2 oral proficiency scales--for example, the Test of English…
Descriptors: Ability, Suprasegmentals, Evidence, Language Tests
McKinley, Robert L.; Way, Walter D. – 1992
An analysis of the skills necessary for performance on the Test of English as a Foreign Language (TOEFL) tends to support the view that there are important, although subtle, secondary dimensions present in the test. This research explored the feasibility of an item response theory (IRT) based method of modeling examinee performance on these…
Descriptors: Ability, Goodness of Fit, Identification, Item Response Theory
Hale, Gordon A.; And Others – 1989
Previous studies found inconsistent results about the factor structure of the Test of English as a Foreign Language (TOEFL), with one study finding a two-factor structure and the other, a three-factor solution. This study investigated those inconsistencies and provided further information about the TOEFL factor structure. It was hypothesized that…
Descriptors: Ability, Adults, English (Second Language), Factor Structure
Yamamoto, Kentaro – 1995
The traditional indicator of test speededness, missing responses, clearly indicates a lack of time to respond (thereby indicating the speededness of the test), but it is inadequate for evaluating speededness in a multiple-choice test scored as number correct, and it underestimates test speededness. Conventional item response theory (IRT) parameter…
Descriptors: Ability, Estimation (Mathematics), Item Response Theory, Multiple Choice Tests
Lee, Yong-Won; Kantor, Robert; Mollaun, Pam – 2002
This study examines the score dependability of writing and speaking assessments from the Test of English as a Foreign Language (TOEFL) from the perspectives of univariate and multivariate generalizability theory (G-theory) and presents the findings of three separate G-theory studies. For writing, the focus was on evaluating the impact on…
Descriptors: Ability, English (Second Language), Generalizability Theory, Item Bias
Way, Walter D.; And Others – 1992
This study provided an exploratory investigation of item features that might contribute to a lack of invariance of item parameters for the Test of English as a Foreign Language (TOEFL). Data came from seven forms of the TOEFL administered in 1989. Subjective and quantitative measures developed for the study provided consistent information related…
Descriptors: Ability, English (Second Language), Goodness of Fit, Item Response Theory