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Autism is diagnosed based on clinical observation and testing by a professional using one or more standardized tests. Professionals most likely to diagnose autism are psychologists, psychiatrists, developmental pediatricians, and school psychologists. Some of the screenings and tests which may be used in the diagnostic process are: CARS (Childhood Autism Rating Scale), Autism Diagnostic Checklist Form E-2, CHAT (Checklist for Autism in Toddlers), M-CHAT (Modified Checklist for Autism in Toddlers), Pervasive Developmental Disorders Screening Test -2, ADOS (Autism Diagnostic Observation Scale), and ADI-R (Autism Diagnostic Interview - Revised).

In addition, parental interview and medical history are taken into consideration.

The current version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) has specific criterion required to make a diagnosis of autism, or a Pervasive Development Disorder.

There are five disorders under the PDD umbrella which include Autism, Aspergers, Rhett's Syndrome, Childhood Disintegrative Disorder, and PDD-NOS (not otherwise specified).

The diagnosis of autism may be made when a specified number of characteristics listed in the DSM-IV are present. "

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Autism is diagnosed based on clinical observation and testing by a professional using one or more standardized tests. Professionals most likely to diagnose autism are psychologists, psychiatrists, developmental pediatricians, and school psychologists. Some of the screenings and tests which may be used in the diagnostic process are: CARS (Childhood Autism Rating Scale), Autism Diagnostic Checklist Form E-2, CHAT (Checklist for Autism in Toddlers), M-CHAT (Modified Checklist for Autism in Toddlers), Pervasive Developmental Disorders Screening Test -2, ADOS (Autism Diagnostic Observation Scale), and ADI-R (Autism Diagnostic Interview - Revised).

In addition, parental interview and medical history are taken into consideration.

The current version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) has specific criterion required to make a diagnosis of autism, or a Pervasive Development Disorder.

There are five disorders under the PDD umbrella which include Autism, Aspergers, Rhett's Syndrome, Childhood Disintegrative Disorder, and PDD-NOS (not otherwise specified).

The diagnosis of autism may be made when a specified number of characteristics listed in the DSM-IV are present. "

No, there is no scale to tell 'how autistic' a child is. A child is either autistic or they're not, there is no scale of 'how autistic' a person is just as there's no scale for how Chinese someone is or how female someone is.

Planned task observation is to careful schedule a plan that will help you record various observations.

by looking at a karyotyope one can determine the sex of the child, and if the child has autism