This study investigated the effects of two types of classroom instructions on EFL learners' oral proficiency by implementing teachers' judgment. Two intact classes of EFL university students studied a compulsory subject of their department under two different types of classroom instruction. The first group of students was trained with explicit…

Traditionally, native speakers have been considered as the most reliable source of linguistic data (Chomsky, 1965), although non-native speakers of English already outnumber the native ones (Kachru, 1994), and 80% of the English teachers in the world are non-native English speakers (Canagarajah, 2005). Today, there is a tendency towards including…