<P> 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 which 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 brother Max; however, the farm was legally owned by a Christian because Jews were unable to own farms at the time . </P> <P> The family moved to Berlin in 1905, so Lewin and his brothers could receive a better education . From 1905 to 1908, Lewin studied at the Kaiserin Augusta Gymnasium, where he received a classical humanistic education . In 1909, he entered the University of Freiburg to study medicine, but transferred to University of Munich to study biology . He became involved with the socialist movement and women's rights around this time . In April 1910, he transferred to the Royal Friedrich - Wilhelms University of Berlin, where he was still a medical student . By the Easter semester of 1911, his interests had shifted toward philosophy . By the summer of 1911, the majority of his courses were in psychology . While at the University of Berlin, Lewin took 14 courses with Carl Stumpf . </P> <P> He served in the German army when World War I began . Due to a war wound, he returned to the University of Berlin to complete his PhD, with Carl Stumpf (1848--1936) the supervisor of his doctoral thesis . Lewin had written a dissertation proposal asking Stumpf to be his supervisor, which Stumpf had accepted . Even though Lewin worked under Stumpf to complete his dissertation, the relationship between them did not involve much communication . Lewin studied associations, will, and intention for his dissertation, but he did not discuss it with Stumpf until his final doctoral examination . </P> <P> In 1917, Lewin married Maria Landsberg . In 1919, the couple welcomed their daughter Esther Agnes, and in 1922, their son Fritz Reuven was born . They divorced around 1927, and Maria immigrated to Palestine with the children . In 1929, Lewin married Gertrud Weiss . Their daughter Miriam was born in 1931, and their son Daniel was born in 1933 . </P>

Which of the following is a phase or stage of the change process