Contents. E.A. Fleishman, Foreword. Introduction. The Manager's Part in Group Process. From Birth to Resurrection: A Model for Group Development. How Groups Affect Their Members. The Mature Work Group. Stress, Strain, and Conflict: By-Products of Group Process. Motivation in Task Groups. Recognition and Rewards. Task Attributes, Challenge, and Group Development. Participation in Decision Making (PDM). The Renewal Process. Appendices: The Task Group Effectiveness Inventory. McGregor's Two Factor Theory -- Revised.