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Published on: February 5, 2019
Establishing Intervention Fidelity of an Oral Motor Intervention for Preterm Infants
Purpose:
To establish intervention fidelity of the premature infant oral motor intervention (PIOMI) Design and sample: A rating tool was developed and tested for interrater reliability before being used to test the fidelity of intervention behaviors. A purposeful convenience sample of three users was recruited to perform the intervention under direct observation.
Main Outcome Variables:
Three types of reliabilities were calculated: (1) interrater reliability to test the rating tool, followed by (2) interuser reliability, and (3) test-retest reliabilities to test the intervention behaviors of several registered nurses (RNs) over repeated performances of the intervention.
Results:
The rating tool demonstrated a high interrater reliability (97.57 percent), indicating its accuracy for systematically rating the specific intervention behaviors. Subsequently, the rating tool was used to determine interuser and test-retest performances of the PIOMI and resulted in high reliabilities (97.59 percent and 97.58 percent, respectively). This demonstrates that the intervention can be reliably delivered as prescribed, supporting intervention fidelity.

