Psychological aspects Educational leadership 20 High school principals 15 Teacher-principal relationships 12 School management and organization 8 School principals 6 Psychology 4 Multiple intelligences 2 Organizational commitment 2 Self-efficacy 2 Teachers 2 Transformational leadership 2 Attitudes 1 Communication in management 1 Emotional intelligence 1 Employee motivation 1 High school teachers 1 Islamic leadership 1 Job satisfaction 1 Professional ethics 1 Professional relationships 1 Public opinion 1 School improvement programs 1 Student activities 1 Teacher participation in administration 1 Teams in the workplace 1