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Table 9 Scores for the four possible answers

From: The Ritvo Autism Asperger Diagnostic Scale-Revised (RAADS-R): A Scale to Assist the Diagnosis of Autism Spectrum Disorder in Adults: An International Validation Study

Answer checked by the subject True now and when I was young Only true now True only when i was young Never true
Symptom based questions 3 2 1 0
N = 64
Example: “I take things too literally so I often miss what people are trying to say”. (No asterisk after question number)
Normative questions 0 1 2 3
N = 16
Example: “I” * “I am a sympathetic person”. (Asterisk after question number)