TY - GEN AU - Allen,R M TI - Factor analysis of the developmental test of visual perception performance of educable mental retardates SN - 0031-5125 PY - 1968///0509 KW - Factor Analysis, Statistical KW - Humans KW - Intellectual Disability KW - Psychological Tests KW - Visual Perception N1 - Publication Type: Journal Article UR - https://doi.org/10.2466/pms.1968.26.1.257 ER -