... The effectiveness of using information gap activities to promote grade 10 students’ participation in speaking lessons at Nguyen Dang Dao high school, Bac Ninh province It is hoped that the research ... the effectiveness of information gap activities on 10 grade students’ participation in speaking lessons at Nguyen Dang Dao High School, Bac Ninh Overview of the thesis This study consists of three ... view to the effectiveness of these activities on students’ participation in speaking lessons Purpose and significance of the study The study aims at: + investigating the effectiveness of using information...