Study and teaching 85 Machine learning 70 English language 55 Study and teaching (Secondary) 53 Learning strategies 42 Teaching and learning 35 Learning, Psychology of 30 Study and teaching (Higher) 27 Effective learning 24 Foreign speakers 22 Organizational learning 21 Computer-assisted instruction 20 Education 20 Second language acquisition 20 Cognitive learning 18 Science 18 Artificial intelligence 16 Deep learning (Machine learning) 16 Learning disabilities 15 Mathematics 15 Learning disabled children 14 Study and teaching (Primary) 14 Academic achievement 13 Data processing 13 Problem-based learning 12 Team learning approach in education 12 Education effectiveness 11 Learning 11 Neural networks (Computer science) 11 Professional learning communities 11