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Freely-available measures for children and/or adolescents:

Arc’s Self Determination Scale

Autism Classification System of Functioning: Social Communication (ACSF:SC)

Baby Pediatric Symptom Checklist (BPSC)

Cambridge Mindreading Face-Voice Battery for Children (CAM-C)

Checklist for Autism in Toddlers (CHAT)

Child’s Challenging Behavior Scale (CCBS)

Childhood Autism Spectrum (formerly “Asperger Syndrome”) Test (CAST)

Children’s Empathy Quotient (EQ-C)

Children’s Global Assessment Scale (CGAS)

Children’s Scale of Hostility and Aggression: Reactive/Proactive (C-SHARP)

Communication Function Classification System (CFCS)

Communication and Symbolic Behavior Scales Developmental Profile (CSBS-DP)


Developmental Milestones Question Set of the Survey of Wellbeing of Young Children (SWYC Milestones)

Early Screening for Autistic Traits (ESAT)

Empathy Quotient for Adolescents (EQ-Adolescent)

Functional Communication Classification System (FCCS)

Gross Motor Function Classification System (GMFCS)

Manual Ability Classification System (MACS)

Modified Checklist for Autism in Toddlers-Revised with Follow-up (M-CHAT-R/F)

Motor Imitation Scale (MIS)

Nisonger Child Behavior Health Rating Form (NCBRF)

Parent Interview for Autism–Clinical Version (PIA–CV)

Parent’s Observations of Social Interaction (POSI) 

Pediatric Symptom Checklist (PSC)    

Preschool Pediatric Symptom Checklist (PPSC)

Psychological Development Questionnaire-1 (PDQ-1)

Quantitative Checklist for Autism in Toddlers (Q-CHAT)

Repetitive Behavior Questionnaire (RBQ-2)

Sense and Self-Regulation Checklist (SSC)

Strengths and Difficulties Questionnaire (SDQ)

Systemizing Quotient for Adolescents (SQ-Adolescent Version)

Systemizing Quotient for Children (SQ-C)

Survey of Wellbeing in Young Children (SWYC)

Ten Questions (TQ)

Trivandrum Development Screening Chart (TDSC)

Viking Speech Scale

Freely-available measures for adults or parents of a child with a developmental disability:

Adult Asperger Assessment (AAA)

Adult Scale of Hostility and Aggression: Reactive/Proactive (A-SHARP)

Adult Repetitive Behavior Questionnaire-2 (RBQ-2A)

Assistance to Participate Scale (APS)

Autism Parenting Stress Index (APSI)

Cambridge Mindreading (CAM) Face-Voice Battery (Adult)

Empathy Quotient for Adults (EQ)

Ritvo Autism Asperger Rating Scale-Revised (RAADS-R)

Systemizing Quotient (SQ)

Freely-available measures for children, adolescents, or adults:

Autism Mental Status Exam (AMSE)

Autism Treatment Evaluation Checklist (ATEC)

Autism Quotient (AQ) - multiple versions

Reading the Mind in the Eyes Test (Adult) (Eyes Test)

Subthreshold Autism Trait Questionnaire (SATQ)

Waisman Activities of Daily Living (W-ADL) Scale

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We also track measures that failed to meet our inclusion criteria.