Kurt Lewin from a leader. Members are given choices and collectively decide the division of labor. Praise and criticism in such an environment are objective, fact minded and given by a group member without necessarily having participated extensively in the actual work. Laissez-faire environments give freedom to the group for policy determination without any participation from the leader. The leader remains uninvolved in work decisions unless asked, does not participate in the division of labor, and very infrequently gives praise. An early model of change developed by Lewin described change as a three-stage process. The first stage he called "unfreezing". It involved
John Hersey master. The prize is awarded to "a senior or junior for a body of journalistic work reflecting the spirit and ideals of John Hersey: engagement with moral and social issues, responsible reportage and consciousness of craftsmanship." Winners of the John Hersey Prize include David M. Halbfinger (Yale Class of 1990) and Motoko Rich (Class of 1991), who both later had reporting careers for "The New York Times", and journalist Jacob Weisberg (Class of 1985), current editor-in-chief of The Slate Group. Among Hersey's earlier students at Yale was Michiko Kakutani, formerly the chief book critic of "The New York Times", as