For the Matrix, you must have at least 5 articles from approved, peer-reviewed journals. Choose a characteristic: communication, social emotional, cognitive/learning, or behavior. Choose at least 5 articles about the characteristics within either ASD (Autism Spectrum Disorder) or ID (Intellectual Disability). Alternatively, you may compare your chosen characteristic between ASD and ID. For those of you doing a comparison of ID and ASD, please note which articles are which in your matrix.