Study and teaching Language and languages 74 English language 35 Dissertations 21 Second language acquisition 21 Dissertations, Academic 20 Foreign speakers 15 Study and teaching (Higher) 9 Computer-assisted instruction 7 Error analysis 6 Communicative competence 5 Language acquisition 4 Psychological aspects 4 Study and teaching (Secondary) 4 Ability testing 3 Applied linguistics 3 Data processing 3 Errors of usage 3 Language 3 Learning, Psychology of 3 Vocabulary 3 Arabic speakers 2 Attitudes 2 Bilingual method 2 Chinese speakers 2 Competence and performance (Linguistics) 2 Computer-assisted instruction for foreign speakers 2 Education, Bilingual 2 Grammar 2 Interaction analysis in education 2