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Number of children who produced each sentence length by group and time.
| Sentence length | NSMI (n = 18) | SMI (n = 16) |
|---|---|---|
| 4 words | Time 1: 18 | Time 1: 16 |
| Time 2: 18 | Time 2: 16 | |
| Time 3: 18 | Time 3: 16 | |
| 5 words | Time 1: 18 | Time 1: 15 |
| Time 2: 18 | Time 2: 15 | |
| Time 3: 18 | Time 3: 16 | |
| 6 words | Time 1: 16 | Time 1: 13 |
| Time 2: 18 | Time 2: 15 | |
| Time 3: 18 | Time 3: 15 | |
| 7 words | Time 1: 16 | Time 1: 10 |
| Time 2: 18 | Time 2: 15 | |
| Time 3: 18 | Time 3: 15 |
Note. NSMI = no speech motor involvement; SMI = speech motor involvement.
