Table 1 Characteristics of Participants: Diagnosis and Assessments
| Category | AGE/SEX | Diagnosis | SMS | WISC-IV | CARS | VMI |
| Child A | 2016. 6. Female | IDD | SA: 2y 9m SQ: 38 | 46 | 25.5 (not autism) | 1y 9m |
| Child B | 2015. 6. Female | ASD | SA: 2y 9m SQ: 38 | 30-39 | 37.5 (severe/profound) | 2y 11m |
* SMS (Social Maturity Scale
* WISC-IV (Wechsler Intelligence Scale for Children-IV)
* K-CARS(K-Childhood Autism Rating Scale)
* VMI(The Development Test of Visual-Motor Integration)