AAC: Augmentative and Alternative Communication
AAFP: American Academy of Family Physicians
AAMFT: American Association for Marriage and Family Therapy

AAMR: American Association on Mental Retardation
AAP: American Academy of Pediatrics

ABA: Applied Behavior Analysis
ABA: Applied Behavioural Analysis
ACT: Adapted Cueing Technique
ACT: assertive community treatment
ADA: American with Disabilities Act

ADD: Attention Deficit Disorder
ADHD: Attention Deficit Hyper Disorder

ADHD: Attention Deficit Hyperactivity Disorder
ADL: Activities for Daily Living
ADL: Activities of Daily Living
AFO: Ankle - Foot Orthotics
AHA: American Hospital Association
AHA: American Hyperlexia Association
AIT: Auditory Integrated Training
ALC: Alternative Levels of Care
AMA: American Medical Association
ANA: American Nurses Association
AODA: alcohol and other drug abuse
AOS: apraxia of speech
AOTA: American Occupational Therapy Association
APD: auditory processing disorder
APTA: American Physical Therapy Association
Arc: Association for Retarded Citizens
AS: Asperger's Syndrome
ASA: Autism Society of America

ASD: Autism Spectrum Disorder
ASD: autism spectrum disorders
ASHA: American School Health Association
ASHA: American Speech-Language-Hearing Association

AT: Assistive Technology
BCAAN: BC Autism Assessment Network
BCCH: BC Children's Hospital
BD: Behavioral Disorder
BMP: behavior management plan

CA: chronological age