Table 1.
Descriptive statistics (Mean, Standard Deviation, and Range) for participant groups
| Fragile X Syndrome (n = 16) | Nonsyndromic ASD (n = 25) | |
|---|---|---|
| Chronological Age | 4.53 (0.17,3.82–5.50) | 4.60 (0.14,3.50–5.56) |
| Nonverbal IQ1 | 56.63 (17.29,30–91) | 76.12 (20.55,30–113) |
| Autism Symptom Severity2 | 5.86 (2.21, 2–9) 3 | 6.84 (1.72,4–10) |
1
Differential Ability Scales –2nd Edition, Special Nonverbal Composite,
2
Autism Diagnostic Observation Schedule −2 Comparison Score,
3
ADOS-2 data missing for 2 participants with FXS.