AP101 Brief #14: Inappropriate use of demographically-adjusted (Heaton) norms in MR/ID Dx

The following AP 101 brief was just posted at the ICDP blog.

Applied Psychometrics 101 Brief # 14:  Demographically adjusted neuropsychological (Heaton) norm-based scores are inappropriate for the diagnosis of MR/ID

Kevin S. McGrew, PhD.

Director

Institute for Applied Psychometrics (IAP)

Dale G. Watson, PhD.

The Wright Institute

Berkeley, CA