Upon graduation, Thorndike returned to his initial interest, Educational Psychology. In 1899, after a year of unhappy, initial employment at the College for Women of Case Western Reserve in Cleveland, Ohio, he became an instructor in psychology at Teachers College at Columbia University, where he remained for the rest of his career, studying human learning, education, and mental testing.
Edward L. Throndike's pioneer investigations in the fields of human and animal learning are among the most influential in the history of Psychology. In 1912, he was recognized for his accomplishments and elected