In 1899 , Woodworth earned his PhD under Cattell .
James McKeen Cattell offered Woodworth a graduate fellowship at Columbia University , one of the two primary functionalist schools in psychology .
In 1899 , Woodworth earned Woodworth 's PhD James McKeen Cattell Cattell .
James McKeen Cattell offered Woodworth a graduate fellowship at Columbia University , one of the two primary functionalist schools in psychology .