Preface <br>Acknowledgments <br>Introduction 3 <br>The Making of a Compleat Social Scientist: A Brief Intellectual Biography 7 <br>Pt. I Philosopher of Science 17 <br> 1 Cassirer’s Philosophy of Science and the Social Sciences 23 <br> 2 The Conflict Between Aristotelian and Galileian Modes of Thought in Contemporary Psychology 37 <br> 3 Psychoanalysis and Topological Psychology 67 <br>Pt. II Research Psychologist 75 <br> 4 Intention, Will, and Need 83 <br> 5 "Two Fundamental Types of Life Processes" 117 <br> 6 Level of Aspiration 137 <br> 7 Frustration and Regression: An Experiment With Young Children 183 <br> 8 Patterns of Aggressive Behavior in Experimentally Created "Social Climates" 227 <br>Pt. III Applied Psychologist 251 <br> 9 Jewish Education and Reality 257 <br> 10 Group Decision and Social Change 265 <br> 11 The Dynamics of Group Action 285 <br>Pt. IV Sage 293 <br> 12 Socializing the Taylor System 297 <br> 13 Democracy and the School 321 <br> 14 Personal Adjustment and Group Belongingness 327 <br> 15 Psychology and the Process of Group Living 333 <br>Index 347 <br>