Dictionary

AAIDD: Championing Intellectual Dignity

The American Association on Intellectual and Developmental Disabilities (AAIDD) is the world's leading interdisciplinary organization...

October 7, 2026 • Dr. Mohammed Looti
Dictionary

AAMR: Defining Intellectual Disability

Explore the comprehensive history, theoretical models, diagnostic contributions, and practical legacy of the American Association...

October 7, 2026 • Dr. Mohammed Looti
Scales

Perceived Control at School Scale

The Perceived Control at School Scale (PCSS) is a 16-item psychometric measure developed by Howard...

September 28, 2026 • Dr. Mohammed Looti
Scales

The Arc’s Self-Determination Scale

A comprehensive academic and psychometric examination of The Arc’s Self-Determination Scale (SDS), developed by Michael...

September 25, 2026 • Dr. Mohammed Looti
Scales

The Arc’s Self-Determination Scale

The Arc’s Self-Determination Scale (SDS) is an empirically validated, 72-item student-report assessment developed by Dr....

September 24, 2026 • Dr. Mohammed Looti