... interventionsfail. Organization Development Journal, 21(1), 72 .Zaltman, G., & Duncan, R. (1 977 ). Strategies for planned change. New York: JohnWiley & Sons.38 PRACTICING ORGANIZATION DEVELOPMENT, ... Publishing,pp. 139–1 57. Vaill, P. (1996). Learning as a way of being. San Francisco: Jossey-Bass.Varney, G. (1 977 ). Organization development for managers. Reading, MA: Addison-Wesley.Worren, ... NostrandReinhold. ORGANIZATION DEVELOPMENT 37 06_962384 ch01.qxd 2/3/05 12:01 AM Page 37 AN OVERVIEW OF KEY MODELS FOR ORGANIZATIONAL CHANGEThe change models that we share rely primarily on a normative, re-educativeand...