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Percentages of results across studies showing that earlier is better for domain outcomes.
| Outcome domain | |||||
|---|---|---|---|---|---|
| Cognitive | Adaptive | ASD severity | Language | Social | |
| # yes/# that tested | 6/12 | 2/6 | 3/7 | 4/6 | 3/6 |
| # no/# that tested | 6/12 | 4/6 | 4/7 | 4/7 | 3/6 |
| % earlier age predicted better outcomes (M = 49.4%) | 54.5% | 33.3% | 42.8% | 66.6% | 50% |
