Younger-for-Grade Children are Not at Greater Likelihood for ADHD Diagnosis During Elementary School: Repeated Evidence of a Null Relative Age Effect
Journal of Attention Disorders: A Journal of Theoretical and Applied Science
Published online on February 11, 2026
Abstract
Journal of Attention Disorders, Ahead of Print.
Background:Prior work reports a relative age effect (RAE), in which children are more likely to be diagnosed with Attention-Deficit/Hyperactivity Disorder (ADHD) if they are relatively younger than their classmates. Yet work reporting a RAE in ADHD ...
Background:Prior work reports a relative age effect (RAE), in which children are more likely to be diagnosed with Attention-Deficit/Hyperactivity Disorder (ADHD) if they are relatively younger than their classmates. Yet work reporting a RAE in ADHD ...