Development Assessments

In addition to the standardized Occupational Therapy and Speech and Language assessments, the Centre also offers autism spectrum specific development assessments in the form of the ADI-R and ADOS-2.

The Autism Diagnostic Interview - Revised (ADI-R) (Le Couteur et al., 1989; Lord, Rutter, & Le Couteur, 1994) is a standardised, semi-structured diagnostic interview for use with the parents or caregivers of people suspected of having a Pervasive Developmental Disorder.

The interview focuses upon three main areas:
1. quality of reciprocal social interaction
2. communication and language
3. repetitive, restricted and stereotyped pa tterns of behaviour.

It produces an algorithm which is linked to ICD-10 and DSM-IV diagnostic criteria. The Autism Diagnostic Observation Schedule (ADOS) (Lord, Rutter, DiLavore, & Risi, 1999) is a semi-structured, standardised assessment of communication, social interaction, and play. It provides a series of standardised contexts in which the child's social, communication and repetitive, stereotyped behaviours can be observed. It has been designed to assist in the diagnosis of autism and other pervasive developmental disorders and is suggested as a complementary instrument to the ADI-R (Lord et al., 1999). A diagnostic algorithm consistent with DSM-IV and ICD-10 clinical diagnoses is generated which provides cut-off scores for autism and other PDDs.

The Autism Diagnostic Observation Schedule, Second Edition (ADOS-2) (by Catherine Lord, Ph.D., Michael Rutter, M.D., FRS, Pamela C. DiLavore, Ph.D., Susan Risi, Ph.D., Katherine Gotham, Ph.D., and Somer L. Bishop, Ph.D) improves an instrument already viewed as "the gold standard" for observational assessment of autism spectrum disorder (ASD)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 ASD--from 1-year-olds with no speech to adults who are verbally fluent..by Catherine Lord, Ph.D., Michael Rutter, M.D., FRS, Pamela C. DiLavore, Ph.D., Susan Risi, Ph.D., Katherine Gotham, Ph.D., and Somer L. Bishop, Ph.D) improves an instrument already viewed as "the gold standard" for observational assessment of autism spectrum disorder (ASD)

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 ASD--from 1-year-olds with no speech to adults who are verbally fluent.

Like its predecessor, the ADOS-2 is a semi-structured, standardized assessment of communication, social interaction, play, and restricted and repetitive behaviors. It presents various activities that elicit behaviors directly related to a diagnosis of ASD. By observing and coding these behaviors, you can obtain information that informs diagnosis, treatment planning, and educational placement.

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