Who wrote the principles of psychology in 1890 and established functionalism, first school of psychology in the US?
1) “The Principles of Psychology is a monumental text in the history of psychology, written by William James and published in 1890.” Source and further information: http://en.wikipedia.org/wiki/Principles_of_Psychology 2) “[William James] was one of the strongest proponents of the school of Functionalism in psychology” Source: http://en.wikipedia.
