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Means and Standard Deviations for MBCDI Summary Categories
| MBCDI Summary Category | M | SD |
|---|---|---|
| Nouns | 115.06 | 83.89 |
| Predicates | 42.51 | 42.78 |
| Closed Class Words | 17.04 | 20.82 |
| Morphology | 8.27 | 10.71 |
| Total Vocabulary (nouns, predicates, closed class) | 174.62 | 140.61 |
| Mean Length of Utterance (MLU) | 3.02 | 1.81 |
Note: N ranges from 43 to 47 for available MBCDI data.
