Hamm v. Smith · ¶141

Fortunately, psychometric literature provides various methods for estimating a person's “true” IQ using multiple scores.Although the Constitution does not require courts to adopt any one approach, the medical community's IQ- estimation techniques inform our Atkins jurisprudence. Hall, 572 U. S., at 710–713. Thus, courts and legislatures may rely on any reasonably sound method of estimating a defendant's “true” IQ. The parties and amici discuss several approaches, and I highlight three that appear in the APA's Handbook of Intellectual and Developmental Disabilities.

preliminary print (page proof)
Source edition
Passage preview. Read in context for the complete text, notes and references.