Psychological aspects Educational leadership 37 Attitudes 29 Teacher-principal relationships 27 Psychology 25 Job satisfaction 20 Employees 17 Organizational commitment 16 High school principals 15 Job stress 15 Teachers 15 Music 13 Social aspects 13 Sports 12 Academic achievement 11 Research 11 Study and teaching 11 Work 11 English language 10 School management and organization 10 Students 10 Employee motivation 9 Motivation in education 9 Organizational behavior 9 Consumers' preferences 8 Emotional intelligence 8 Instruction and study 8 Officials and employees 8 Rating of 8 Advertising 7