Psychological aspects Educational leadership 15 High school principals 15 Teacher-principal relationships 9 High school students 5 Psychology 4 School management and organization 4 Attitudes 3 Teachers 3 High school teachers 2 Multiple intelligences 2 Organizational commitment 2 Academic achievement 1 Aggressiveness in adolescence 1 Bullying in schools 1 Consumer behavior 1 Consumer goods 1 Consumers' preferences 1 Discipline 1 Education (Secondary) 1 Education, Secondary 1 Educational psychology 1 Employee motivation 1 Family relationships 1 High school boys 1 Islamic leadership 1 Job satisfaction 1 Job stress 1 Motivation in education 1 Parent participation 1