| EI | Early Intervention |
| WPPSI-IV | Wechsler Preschool and Primary Scale of Intelligence, Fourth Edition |
| CARS-2 | Childhood Autism Rating Scale, Second Edition |
| CBCL | Child Behavior Checklist |
| PSI-4-SF | Parenting Stress Index, Fourth Edition, Short Form |
| FSIQ | Full Scales Intelligence Quotient |
| VCI | Verbal Comprehension Index |
| ASD | Autism Spectrum Disorder |