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High-risk autism (HRA) group and low-risk controls (LRC).
| Age (months) | Gender | AVERAGE number of trials | Average number of neutral/smiling | Average number of mother/stranger | |
|---|---|---|---|---|---|
| High-risk autism | 7.06 | 6 Female; 4 male | 13.4 | 12.9/11.9 | 6.1/6.4 |
| Low-risk control | 6.91 | 6 Female; 4 male | 13.4 | 13.2/12.8 | 6.4/6.6 |
