Scales
Light Test
The Light Test (Schucman, 1960) is an operant psychometric apparatus designed to evaluate shape discrimination...
# Intellectual Disability
22 results
Scales
Buzz Test
The Buzz Test is an objective psychometric instrument developed in 1960 by Helen Schucman to...
September 28, 2026
•
Dr. Mohammed Looti
Scales
Two-Buttons Test
The Two-Buttons Test is an individualized performance test developed by Helen Schucman in 1960 to...
September 28, 2026
•
Dr. Mohammed Looti
Scales
Three-Buttons Test
The Three-Buttons Test is a standardized performance-based psychometric test developed by Helen Schucman in 1960...
September 28, 2026
•
Dr. Mohammed Looti
Scales
Social Value-Need Scale
The Social Value-Need Scale (Bolduc, 1960) is a psychometric instrument designed to evaluate forced-choice conflict...
September 28, 2026
•
Dr. Mohammed Looti
Scales
Accommodations & Impact Scale for Developmental Disabilities (AISDD)
The Accommodations & Impact Scale for Developmental Disabilities (AISDD) is a validated 19-item psychometric rating...
September 27, 2026
•
Dr. Mohammed Looti
Scales
Bryant Self Concept Survey (BSCS)
The Bryant Self Concept Survey (BSCS) is a 30-item psychological instrument developed by Janis L....
September 25, 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
Scales
Precursors in Communication
A comprehensive academic analysis of the Precursors in Communication (ComVoor / ComVoor-2), a criterion-referenced semiotic...
September 12, 2026
•
Dr. Mohammed Looti