Academic achievement Dissertations 73 Dissertations, Academic 71 Study and teaching (Secondary) 53 Students 40 Motivation in education 35 Psychological aspects 28 Attitudes 27 Study and teaching 20 Education 18 Rating of 18 Education, Secondary 17 Learning strategies 17 Science 17 Case studies 16 Mathematics 13 Evaluation 12 Psychology 12 Self-perception 12 College students 11 Personality and academic achievement 11 Social conditions 11 Educational leadership 10 School management and organization 10 Ability testing 9 English language 9 Parent participation 9 High school students 8 Social aspects 8 Teacher-student relationships 8