Psychological aspects Dissertations 73 Dissertations, Academic 73 Educational leadership 32 Teacher-principal relationships 24 Academic achievement 17 High school principals 14 Psychology 14 Job stress 11 Sports 11 Work 10 Attitudes 9 Job satisfaction 9 School management and organization 9 Social aspects 9 Teachers 9 Parenting 8 Emotional intelligence 6 Employee motivation 6 Motivation in education 6 Students 6 Study and teaching 6 Organizational commitment 5 Physical education and training 5 School principals 5 Education 4 Entrepreneurship 4 Islam 4 Leadership 4 Religious aspects 4