Teaching of a specific subject Education 23 Teacher training 17 Teaching skills & techniques 15 Curriculum planning & development 7 Educational strategies & policy 5 Higher & further education, tertiary education 5 Examinations & assessment 4 Study & learning skills: general 4 Central government policies 3 Literacy 3 Mathematics 3 Schools 3 Biodiversity 2 Conservation of wildlife & habitats 2 Ecological science, the Biosphere 2 Educational equipment & technology, computer-aided learning (CAL) 2 Educational psychology 2 History of mathematics 2 Language teaching & learning (other than ELT) 2 Limnology (freshwater) 2 Medical research 2 Philosophy & theory of education 2 Philosophy of science 2 Political structure & processes 2 Sociology 2 Adult education, continuous learning 1 Agricultural science 1 Animal behaviour 1 Cognition & cognitive psychology 1