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Cronbach’s alpha for treatment fidelity questionnaires
| Treatment delivery | Treatment receipt | ||
|---|---|---|---|
| NICU | Post-discharge | Both phases | |
| Music therapist self-rater questionnaire | 0.75 (0.6 7, 0.82) | 0.87 (0.84, 0.91) | - |
| External rater questionnaire | 0.66 (0.60, 0.73) | 0.80 (0.76, 0.84) | - |
| Parent questionnaire | - | - | 0.79 (0.74, 0.83) |
Note: All values are raw α (CI)
Abbreviations: CI confidence interval, NICU neonatal intensive care unit
