Screening scales

Peculiarities

ATA

(Autism Spectrum Scale)

15 items composed of specific sub-items with greater descriptions and can be applied up to 5 years of age.

M-CHAT

(Modified-Checklist Autism in Toddlers)

23 items of atypical and critical signs; tracks children with ages from 18 to 30 months.

ASQ

(Autism Screening Questionnaire)

40 items; useful to track autismo from 3 to 6 years old and helps in the diferentiation between ASD and Language Disorders; assesses children who do not yet speak.

Behavioral Assessment Protocol for children with Suspected Autism Spectrum Disorder-Revised

It is evalutated based on the three axes of social skills related to autismo: Shared attention, symbolic play and repetitive behaviors; created and developed in Brazil.