“…As for psychology, descriptions of physical laboratories already in existence (Krohn, ; Sanford, ; Martin, ), reviews of their results (Jastrow, , , ; Sanford, ; Kline, ) and “practical suggestions” for the construction of new ones (Sanford, ; Titchener, ) appear frequently the pages of the early American Journal of Psychology ( AJP ). By the end of 1890, there were so‐called psychology laboratories at 10 universities in North America, and by 1900, 32 more psychology laboratories had been founded in the United States, many of them established by students of Wundt or of G. Stanley Hall, who was himself one of Wundt's first American students .…”