- James McKeen Cattell (1860-1944) : James McKeen Cattell the one who represented Functionalistic psychology at Columbia University. He did much to promote Applied psychology. He orked with Galton and developed a strong interest in measuring individual differences. Cattell brought Galton's methods of intelligence testing to the United States.
Other /More definition:
James McKeen Cattell had worked with Galton and developed a strong interest in measuring individual differences. He brought Galton's methods of intelligence testing to the United States.