Asperger’s disorder – is characterized by social deficits and restricted patterns of activities and interests.
Rett’s disorder is diagnosed only in females, they show some difficulties in social interaction but they do not show the entire diagnostic pattern of autistic disorder.
Childhood disintegrative disorder show a persistent decline in social, motor, and/or language skills after a few years for normal development.
Pervasive developmental disorder not otherwise specified (PDD-NOS)- pertains to individuals who show patterns of the autistic syndrome but have a later age of onset than 3 years old, and/or only some of or less severe symptoms.
Autism Screening Instrument of Educational Planning (behavior checklist, sample of vocal behavior, interaction assessment, educational or functional skills, and prognosis of learning rate).
Childhood Autism Rating Scale (CARS) identifies children with autism and distinguish them from those developmentally delayed children without autism.
Psychoeducational Profile Revised (PEP-R) an educational planning tool use to identify the strengths, weaknesses and learning needs for children with autism and related disorders ages 6 mos. to 12 yrs.
Gilliam Autism Rating Scale (GARS) consists of 4 subtest listings typical characteristics of children and youth with autism (stereotypical behaviors, communication, social interaction, and developmental disturbances manifested in the first 36 mos. To life.