| ABA | Applied Behavior Analysis |
| ADHD | Attention Deficit Hyperactivity Disorder |
| ADI-R | Autistic Diagnostic Interview-Revised |
| ASD | Autism Spectrum Disorder |
| CASD | Checklist for Autism Spectrum Disorder |
| DSM-5 | Diagnostic and Statistical Manual of Mental Disorder-5 |
| EBD | Emotional/Behavioral Disorder |
| ICC | Intraclass Correlation Coefficients |
| IQ | Intellectual Quotient |
| LEAP | Learning Experiences: An Alternative Program for Preschoolers and Parents |
| MBC | Motor Behaviour Checklist for children |
| PECS | Picture Exchange Communication System |
| PSI-SF | Parenting Stress Index–Short Form |
| TEACCH | Treatment and Education of Autistic and related Communication handicapped Children |
| SDQ | Strengths and Difficulties Questionnaire |
| SPSS | Statistical Package for Social Science |