 Piaget was familiar with many of Claparède's ideas including that of the psychological concept 'groping' which was closely associated with "trials and errors" observed in human mental patterns.In 1923, he married Valentine Châtenay (7 January 1899 – 3 July 1983) the couple had three children, whom Piaget studied from infancy.From 1925 to 1929, Piaget worked as a professor of psychology, sociology, and the philosophy of science at
the University of Neuchatel.