The central purpose of this paper is to examine validity problems arising from the multiple-choice items and technical passages in the Test of English as a Foreign Language Internet-based Test (TOEFL iBT) reading section, primarily concentrating on construct-irrelevant variance (Messick, 1989). My personal TOEFL iBT experience, along with my…

The "e-rater"® automated essay scoring system is used operationally in the scoring of "TOEFL iBT"® independent and integrated tasks. In this study we explored the psychometric added value of reporting four trait scores for each of these two tasks, beyond the total e-rater score.The four trait scores are word choice, grammatical…

This report evaluates the construct coverage of the e-rater[R[ scoring engine. The matter of construct coverage depends on whether one defines writing skill, in terms of process or product. Originally, the e-rater engine consisted of a large set of components with a proven ability to predict human holistic scores. By organizing these capabilities…

The Test of English as a Foreign Language (TOEFL) brings tremendous influence to EFL (English as a Foreign Language) learners worldwide. TOEFL 2000 project claims that TOEFL, as a more reflective of communicative model, could provide more information about international students' language ability that it is supposed to measure. However, after…

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…

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…