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This semi-structured assessment can be used to evaluate almost anyone suspected of having autism--from toddlers to adults, from children with no speech to adults who are verbally fluent.
The ADOS consists of various activities that allow you to observe social and communication behaviors related to the diagnosis of pervasive developmental disorders. These activities provide interesting, standard contexts in which interaction can occur.
The ADOS includes four modules, each requiring just 35 to 40 minutes to administer. The individual being evaluated is given just one module, depending on his or her expressive language level and chronological age. Following guidance provided in the manual, you select the appropriate module for each person. Module 1 is used with children who do not consistently use phrase speech, Module 2 with those who use phrase speech but are not verbally fluent, Module 3 with fluent children, and Module 4 with fluent adolescents and adults. The one group within the autism spectrum that the ADOS does not address is nonverbal adolescents and adults.
Modules 1 and 2 require you and the child to move around the room. Modules 3 and 4, both of which involve more conversation, can be administered at a table. Activities included in Modules 1 and 3 are listed below:
Module 1		Module 3
	Free Play		Construction Task
	Response to Name		Make-Believe Play
	Response to Joint Attention		Joint Interactive Play
	Bubble Play		Demonstration Task
	Anticipation of a Routine With Objects		Description of a Picture
	Responsive Social Smile		Telling a Story from a Book
	Anticipation of Social Routine		Cartoons
	Functional and Symbolic Imitation		Reporting a Non-Routine Event/Conversation
	Birthday Party		Emotions
	Snack		Social Difficulties/Annoyance
			Break
			Friends/Loneliness/Marriage
			Creating a Story
These activities provide a 30- to 45-minute observation period full of opportunities for the examinee to exhibit behaviors relevant to a diagnosis of autism or PDD. As you administer the ADOS, you record your observations, then code them later and formulate a diagnosis. Cut-off scores are provided for both the broader diagnosis of PDD/atypical autism/autism spectrum, as well as the traditional, narrower conceptualization of autism.
Offering standardized materials and ratings, the ADOS gives you a measure of autism spectrum disorder that is unaffected by language. Because it can be used with a wide range of children and adults, it is a cost-effective addition to any hospital, clinic, or school that serves individuals with developmental disorders.
Training DVDs and Guidebook Available
NOTE: For ADOS clinical training only; those who plan to use the ADOS in research still need to attend in-person clinical and research workshops.
The training package includes the following:
Training DVD (3 hours, 18 minutes)   Describes ADOS materials, demonstrates administration of each Module, with a voiceover by the author explaining key observations.     Practice Administration DVD 1 (3 hours, 8 minutes)   Duplicates the administrations shown in the Training DVD, but in real time, and without the author's commentary.     Practice Administration DVD 2 (1 hour, 22 minutes)   Demonstrates two additional administrations, in real time, without the author's commentary. Practice DVDs 1 and 2 allow you to practice observation and scoring and check your accuracy.     Blank ADOS Observation/Coding Booklets   So that you can practice coding behavior, one blank Observation/Coding Booklet is provided for each administration session shown in the practice DVDs.     Guidebook   The Guidebook offers administration and scoring instructions and commentary on each of the four administrations shown on the Training DVD, including Practice Administration DVD 1. It also includes a completed Observation and Coding Booklet for each administration shown.

The Autism Diagnostic Observation Schedule, Second Edition (ADOS-2) is now available! Order now! Click here for ADOS-2 information.   Note: For information about original ADOS kits and training materials please contact WPS Customer Service at 800-648-8857 or customerservice@wpspublish.com. Some ADOS components are still available for purchase online. Scroll down for pricing information.