Psychological aspects 12 Social aspects 8 Social sciences 6 Education 5 Psychology 5 Statistical methods 5 Data processing 4 Mass media 4 Research 4 Communication 3 Computer-assisted instruction 3 Family 3 Journalism 3 Methodology 3 Multivariate analysis 3 Study and teaching 3 Television and children 3 Work groups 3 Addresses, essays, lectures 2 Aging 2 Divorce 2 Interpersonal communication 2 Interpersonal relations 2 Language arts 2 Learning, Psychology of 2 Parent and child 2 Sexual behavior 2 Teenagers 2 Television programs 2 Vocational guidance 2