Computer-assisted instruction 18 Language and languages 17 Dissertations 10 Dissertations, Academic 9 Educational technology 5 Study and teaching 5 Computer-assisted instruction for foreign speakers 4 English language 3 Technological innovations 3 Computer network resources 2 Foreign speakers 2 Internet in education 2 Second language acquisition 2 Ability testing 1 Arabic language 1 Computer programs 1 Design and construction 1 Examination 1 Language and languages -- 1 Linguistics 1 Mobile communication systems in education 1 Multimedia systems 1 Spanish language 1 Study and teaching (Higher) 1 Study and teaching (Higher) Foreign speakers 1 Study and teaching (Secondary) 1 Study and teaching Computer-assisted instruction 1 Study and teaching Congresses 1 Study and teaching Data processing 1 technological innovations 1