For applied psychology, whether American or German, it never had the slightest appeal, as is shown by the figures for the relevant journals, Zeitschrift fiir angewandte Psychologie, Journal of Applied Psychology, and Journal of Educational Psychology. Applied psychology had committed itself to knowledge goals that were unlikely to be advanced by the kind of investigative practice associated with Wundt's laboratory. What it was after was knowledge that could be quickly utilized by agencies of social control so as to make their work more efficient and more rationally defensible.
66 - Constructing the subject: Historical origins of psychological research. 1994