Psychological aspects Dissertations 115 Dissertations, Academic 114 Psychology 57 Attitudes 43 Educational leadership 37 Social aspects 32 Job satisfaction 30 Work 29 Academic achievement 28 Job stress 27 Teacher-principal relationships 27 Sports 24 Employees 23 Students 23 Study and teaching 22 Teachers 21 Organizational commitment 19 Music 16 High school principals 15 Research 15 Motivation in education 14 Organizational behavior 14 Parenting 13 Psychology, Industrial 13 Rating of 13 College students 12 Employee motivation 12 English language 12 Advertising 11