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Internal consistency of the domain, subscale and total scores of the ECAS.
| ECAS domain/subscale | Cronbach's alpha | N of items |
|---|---|---|
| Domain | ||
| Speaking | .79 | 3 |
| Listening | .79 | 3 |
| Inability | .86 | 3 |
| Difficulty | .82 | 3 |
| Anxiety | .89 | 3 |
| Subscale | ||
| Informant | .83 | 5 |
| Friends/family | .82 | 5 |
| Unfamiliar people | .87 | 5 |
| Total score | .92 | 15 |
