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
Kurt Lewin A "Review of General Psychology" survey, published in 2002, ranked Lewin as the 18th-most cited psychologist of the 20th century. In 1890, he was born into a Jewish family in Mogilno, County of Mogilno, Province of Poznań, Prussia (modern Poland). It was a small village of about 5,000 people, about 150 of whom were Jewish. Lewin received an orthodox Jewish education at home. He was one of four children born into a middle-class family. His father owned a small general store, and the family lived in an apartment above the store. His father, Leopold, owned a farm jointly with his