IQ tests Stanford-Binet login to view 2 more bullets Wechsler Adult Intelligence Scale login to view 2 more bullets Wechsler Intelligence Scale for Children (WISC) login to view 1 more bullet Intellectual Disability (Intellectual Developmental Disorder) Formerly known as mental retardation (DSM-IV) Onset during the developmental period that includes login to view 2 more bullets Severity (on the basis of adaptive functioning, not IQ scores) login to view 4 more bullets IQ scores are correlated with login to view 2 more bullets