Reza Afsharpour - Department of Linguistics and Foreign Languages, Faculty of Letters and Humanities, Payame-Noor University, South Tehran Branch, Tehran- Iran.
Manoocher Jafari Gohar - Department of English Language, Payame-Noor University, Iran

This research aimed at comparing the peer tutoring strategies with teacher guiding strategies on the improvement of Iranian EFL vocabulary knowledge and their attitudes toward learning English vocabulary. The initial population of the study was ۷۰ students. They were studying English at Shokooh English institute in Tehran. After administering TOEFL test as a proficiency test, ۴۰ students (۱۷ males and ۲۳ females) were selected as the participants of the study. They were divided into two groups of experimental and control. The students assigned to the experimental group were involved in an active work with their classmates’ peers, and received instruction based on peer-tutoring. The control group received instruction based on normal syllabus of the class that is teacher guided instruction The findings showed that there is a statistically significant difference (α= ۰.۰۱) between the two adjusted means of the students’ scores due to the two different learning strategies in favor of the experimental group.

Peer-Tutored Read-Aloud, Teacher-Guided Read-Aloud, Vocabulary Retention, EFL learners