 Finally, Lange went against contemporary trends to argue that pedagogy should be informed by the emerging science of empirical psychology; though he granted that empirical psychology was a very young discipline that had so far failed to produce many compelling results (Lange 1859–1875, “Seelenlehre”, 142; Knoll 1975a, 16). He emphasized the importance of statistical methods—an emphasis that was also quite prescient for the later development of pedagogy (Knoll 1975a, 19).