O RGANIZATION in both business and government increasingly relies on the approach. Applications in business organizations such as Humble Oil have received massive attention in the literature and sometimes have involved thousands of employees. Public agencies have kept pace, but with far less public notice. Thus, IRS, the Peace Corps, and the New York Port Authority have utilized lab methods to provide opportunities for the personal growth of their employees. Other public agencies have made greater commitments. They have used the laboratory as a vehicle for for improving organizational procedure and policies as well as for increasing personal skills and insight. The Department of State's Project ACORD (or Action for Organization Development) is an example of the more ambitious kind. In the following pages, the special meaning of the two key terms organization change and approach is developed. Administrative reform in public administration commonly means formal i.e., reorganizations or modifications in charts. This is in the tradition of the President's Committee on Administrative Management, the Hoover Commissions, and the municipal surveys of PAS. In contrast, organization change as used here has a dual meaning. It initially emphasizes behavioral changes in the attitudes, feelings, and beliefs of members, and subsequently formal restructuring which is facilitated and reinforced by behavioral changes. The approach to organization change, as defined here, works through: ) Public agencies have kept pace with business organizations in utilizing the laboratory as a vehicle for change. The author describes the laboratory and analyzes its limitations, bias, goals and techniques, consistency with broad features of life, and inadequacies as a vehicle of change.