CRUZ QUEVEDO, Juana Edith et al. Fidelity of an educational process: role of the interventionists. []. , 26, 1, pp.60-67. ISSN 0120-5307.

Objective: to evaluate treatment fidelity strategies used in a randomized controlled trail study such as record and standardization of intervention, selection and training of interventionists, and implementation of criteria for adherence and monitoring. Methodology: strategies analysis through pre and post training evaluation, monitor reporting, day-after evaluation and participants comments. Results: the analysis shows the selection and training of able interventionists with sufficient knowledge of curriculum delivery, self-efficient in processes and trustworthy in results. The day-after evaluations and participant´s comment reflect a dynamic, assertive and adhered-to-curriculum performance of the interventionists. Conclusions: observation of the elements that define randomized controlled trail study adherence and delivery guarantee intervention integrity and therefore reduce bias possibility because of this source.

: intervention studies; intervention fidelity; interventionists.

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