LINGUISTIC DIMENSIONS OF COMPREHENSIBILITY AND PERCEIVED FLUENCY: AN INVESTIGATION OF COMPLEXITY, ACCURACY, AND FLUENCY IN SECOND LANGUAGE ARGUMENTATIVE SPEECH

This study examined the linguistic dimensions of comprehensibility and perceived fluency in the context of L2 argumentative speech elicited from 40 Japanese-speaking learners of English. Their speaking performance was judged by 10 inexperienced native speakers of English for comprehensibility and perceived fluency, and was also objectively analyzed in terms of complexity, accuracy, and fluency as well as pronunciation and discourse features. The...