Language and languages Study and teaching 30 Linguistics 21 Second language acquisition 14 Applied linguistics 7 Grammar, Comparative and general 5 Philosophy 4 Sociolinguistics 4 Translating and interpreting 4 Ability testing 3 Semantics 3 Congresses 2 Curriculum planning 2 Educational technology 2 English language 2 Examinations 2 Historical linguistics 2 History 2 Independent study 2 Language policy 2 Learning, Psychology of 2 Linguistic change 2 Literary style 2 Research 2 Web-based instruction 2 World politics 2 Academic writing 1 Anthropological linguistics 1 Autonomy (Psychology) 1 Bayesian statistical decision theory 1