title: Validation of a learning disability index (LDI) derived from a principal components analysis of the WISC-R.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis; D007859:Learning Disabilities / Q000175:diagnosis*; D008297:Male; D013223:Statistics as Topic; D014888:Wechsler Scales