Validating an L2 Academic Group Oral Assessment: Insights From a Spoken Learner Corpus

This study determines the fine-grained bottom-up linguistic features involved in successful second language (L2) English academic group oral tutorial discussion through the use of a spoken learner corpus composed of more than 20 hrs of L2 production. Student performances were graded by teacher-raters using a can-do rating scale, which assessed students’ ability to participate in a group academic oral discussion. The performances were transcribed...