The American psychologist and editor James McKeen Cattell (1860-1944) was a pioneer in American psychology who influenced the profession to use objective methods of study and to apply psychology to practical aspects of life. James McKeen Cattell was...

Psychologist James McKeen Cattell Cattell Infant Intelligence Scale Infant intelligence test. The Cattell Infant Intelligence Scale is one of the oldest infant intelligence tests, originally designed in 1950. The Cattell scale measures mental...

James McKeen Cattell (May 25, 1860-January 20, 1944), American psychologist, was the first professor of psychology in the United States at the University of Pennsylvania and long-time editor and publisher of scientific journals and publications, most...