psychodiagnosis

noun
psy·​cho·​di·​ag·​no·​sis | \ -ˌdī-ig-ˈnō-səs How to pronounce psychodiagnosis (audio) \
plural psychodiagnoses\ -​ˌsēz How to pronounce psychodiagnoses (audio) \

Medical Definition of psychodiagnosis

: diagnosis employing the principles and techniques of psychodiagnostics