The General Adult ADD Symptom Checklist was developped by Daniel G. Amen, M.D. in 1995
The following represents the results of a comparison between ADD symptom checklist and Aspie-quiz that was done in stable version 9 of Aspie-quiz.
Total population: 439
ADD - Aspie score correlation: .64
ADD - NT score correlation: -.59
ADD - score diff correlation: .62