Attitudes High school students Study and teaching (Secondary) 8 Mathematics 5 Case studies 3 Study and teaching 3 Dissertations 2 Dissertations, Academic 2 Education 2 Education, Secondary 2 English language 2 Environmental education 2 High school teachers 2 Interactive multimedia 2 Psychological aspects 2 Social aspects 2 Academic achievement 1 Aggressiveness in adolescence 1 Aims and objectives 1 Audio-visual aids 1 Biology 1 Books and reading 1 Chemistry 1 Composition and exercises 1 Computer literacy 1 Computer-assisted instruction 1 Consumer behavior 1 Consumer goods 1 Consumers' preferences 1 Data processing 1