ADOS-2 - Autism Diagnostic Screening Plan

ADOS-2 - for the presence of autism spectrum disorders for children and adults

The technique is recommended for use in children and adults of all ages with suspected autism spectrum disorders (ASD). ADOS-2 is a comprehensive, semi-structured methodology that consists of a set of materials with tasks that can be performed to determine the presence of autism spectrum disorders.

How is testing done according to the ADOS-2 method?

Testing according to the ADOS-2 method takes place according to a specific scenario, which is selected depending on the child's age and his level of speeking proficiency. Performing tasks according to the selected scenario allows you to observe the reactions, as well as social and communicative behavior during various activities.

ADOS-2 is 5 modules, each of which corresponds to a certain age, as well as the level of speech development:

• Module 1 - is used for children aged 31 months or more who do not have a coherent speech or use separate words in speech, and can also be used for adolescents with an appropriate level of speech development;
• Module 2 - suitable for children of any age who have mastered phrasal speech, but cannot speak freely;
• Module 3 - suitable for children from preschool age to 15 years old who speak a coherent speech;
• Module 4 is for adolescents and adults who speak fluently.
• Module T - is intended for children from 12 to 30 months who do not speak or use only separate words during speech.

Each patient is diagnosed according to a module that corresponds to his level of speech development. To complete the tasks, an interactive game for teenagers and adults is used - a conversation and an interview.

Diagnostics with each module lasts from 40 to 60 minutes.

Testing results are assessed in three stages:

• observation - used in the examination;
• encryption - after the session, points are put down for each type of activity;
• algorithm - determination of the diagnostic group, occurs after the calculation of points and their interpretation according to the algorithms.

For a more accurate diagnosis, it is recommended to use several methods.