English language 8 Foreign speakers Study and teaching Vocabulary Second language acquisition 2 Ability testing 1 Cell phones 1 Computer-assisted instruction 1 Education 1 Educational technology 1 Effect of technological innovations on 1 Interaction analysis in education 1 Psychological aspects 1 Study and teaching (Primary) 1 Study and teaching (Secondary) 1 Technological innovations 1 Web-based instruction 1 Written English 1