Autism Diagnostic Observation Schedule - Second Edition (ADOS-2)

Author(s) : Catherine Lord, Michael Rutter, Pamela C. DiLavore, Susan Risi, Katherine Gotham, and Somer L. Bishop

Publisher : WPS, 2012

SKU : PG_ADOS2

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SKU
PG_ADOS2
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Grouped product items
Product Name Qty
ADOS 2 Handscored Kit

SKU : 991ADS

Qualification required
Available for backorder
$3,945.00
ADOS 2 Software Kit

SKU : 992ADS

Qualification required
Available for backorder
$4,099.00
ADOS 2 Manual

SKU : 502ADS

Qualification required
In stock
$229.00
ADOS 2 Toddler Module Booklet (pkg 10)

SKU : 620ADS

Qualification required
In stock
$129.00
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Purpose: To assess and diagnose Autism Spectrum Disorder across age, developmental level and language skills
Age: 1+ years of age
Time: 40-60 minutes

The Autism Diagnostic Observation Schedule 2nd ed. (ADOS-2) is a semi-structured, standardised assessment of communication, social interaction, play, and restricted and repetitive behaviours. By observing and coding these behaviours, you can obtain information that informs diagnosis, intervention, treatment planning, and educational placement.

With updated protocols, revised algorithms, a new Comparison Score, and a Toddler Module, the ADOS-2 provides a highly accurate picture of current symptoms, unaffected by language. It can be used to evaluate almost anyone suspected of having autism spectrum disorder (ASD)—from 1-year-olds with no speech to adults who are verbally fluent.

Five Modules

The ADOS-2 contains five modules, each requiring just 40–60 minutes to administer. The individual being evaluated is given only one module, selected based on their expressive language level and chronological age.

  • Toddler Module—for children between 12 and 30 months of age who do not consistently use phrase speech
  • Module 1—for children 31 months and older who do not consistently use phrase speech
  • Module 2—for children of any age who use phrase speech but are not verbally fluent
  • Module 3—for verbally fluent children and young adolescents
  • Module 4—for verbally fluent older adolescents and adults

Please note there may be a choking hazard with small parts for under 3 years old.

Each module engages the examinee in a series of activities involving interactive stimulus materials, all of which are included in the ADOS-2 Kit. To illustrate, these are the activities in Module 3:

  • Construction Task
  • Make-Believe Play
  • Joint Interactive Play
  • Demonstration Task
  • Description of a Picture
  • Telling a Story From a Book
  • Cartoons
  • Conversation and Reporting
  • Emotions
  • Social Difficulties and Annoyance
  • Break
  • Friends, Relationships, and Marriage
  • Loneliness
  • Creating a Story

Key Features

Each ADOS-2 module has its own Protocol Booklet, which structures the administration and guides clinicians through coding and scoring. As the clinician administers activities, they observe the examinee and take notes. Immediately afterward, the clinician codes the behaviors observed. Then the clinician uses the Algorithm Form for scoring.

In Modules 1–4, algorithm scores are compared with cutoff scores to yield one of three classifications: autism, autism spectrum, or non-spectrum. The difference between autism and autism spectrum classifications is one of severity, with the former indicating more pronounced symptoms.

The Toddler Module is designed specifically for children between 12 and 30 months of age who do not consistently use phrase speech. Toddler Module algorithms provide “ranges of concern” rather than classification scores. These ranges help clinicians form clinical impressions, but the ranges avoid formal classification—which may not be appropriate at such a young age. The Toddler Module quantifies risk for ASD and guides further monitoring.

ADOS-2 Training

Please note: Training DVDs are while stocks last.

ADOS-2 administration and coding are highly standardized. Therefore, valid assessment requires training. A variety of training options are available:

  1. ADOS-2 Clinical Workshops: Live In-person or online training; These workshops provide instructor-led introductory training on the ADOS-2. Not provided by ACER, please find your local provider
  2. ADOS-2 Training Program: Self-study for learning all five modules of the ADOS-2. Available via ACER
  3. ADOS-2 Training Program Upgrade: Self-study for learning the Toddler Module of the ADOS-2. Available via ACER
Catherine Lord, Michael Rutter, Pamela C. DiLavore, Susan Risi, Katherine Gotham, and Somer L. Bishop

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