This study examined the role of domain-general and domain-specific linguistic knowledge in the assessment of academic English language proficiency using a latent variable modeling approach. The goal of the study was to examine if modeling of domain-specific variance results in improved model fit and well-defined latent factors. Analyses were…

The Simulated Oral Proficiency Interview (SOPI) is a semi-direct performance-based speaking test that emulates the face-to-face Oral Proficiency Interview (OPI) as closely as practical, using a tape recording and printed test booklet. The prototypical SOPI contains simple personal background questions typical of an initial encounter (warm-up) and…