Psychological aspects Social aspects 100 Psychology 90 Leadership 76 Work 58 Success 47 Success in business 42 Aspect psychologique 40 Management 30 Economics 29 Psychology, Industrial 28 Decision making 27 Sports 27 History 26 Marketing 26 Interpersonal relations 24 Organizational behavior 24 psychology 24 Death 23 Selling 23 Investments 22 Self-actualization (Psychology) 21 Emotional intelligence 20 Mental health 20 Personnel management 20 Bereavement 19 Employees 19 Work environment 19 Communication 18 Consumer behavior 17