The following events in the history of psychology took place in
1890. - Introducing the notion of "Mental Tests", James Cattell
starts the development of psychological assessment and
psychometrics. - Francis Galton develops statistical correlation
to explore the interrelationships of factors in intelligence. -
William James publishes Principles of Psychology. - James
Cattell publishes Mental Tests and Measurements. 1885 - 1886 -
1887 - 1888 - 1889 - 1890 - 1891 - 1892 1893 - 1894 - 1895