Language Oral communication Conversation analysis 5 English language 4 Ability testing 3 Sex differences 3 Engineering students 2 Language and languages 2 Research 2 Spoken English 2 Study and teaching 2 Technical English 2 Children 1 Communication 1 Communicative competence 1 Competence and performance (Linguistics) 1 Discourse analysis 1 Foreign speakers 1 Indian students 1 Men 1 Methodology 1 Pilots and pilotage 1 Politeness (Linguistics) 1 Radio broadcasting 1 Rhetorical criticism 1 School children 1 Schools, Tamil 1 Science 1 Students, Foreign 1 Study and teaching (Elementary) 1