Developing an Interview Guide to Evaluate Practice-based Evidence in Nutrition: Use of the Delphi Technique

Publication: Canadian Journal of Dietetic Practice and Research
18 November 2011

Abstract

An interview guide was created for qualitative evaluation of the impact of Practice-based Evidence in Nutrition (PEN) on dietetic practice, and its success as a medium for knowledge translation and transfer (KTT). The Delphi technique was used to bring together a diverse group of experts (n=7) with extensive knowledge in KTT and evidence-based practice (EBP); these experts developed the interview guide content. The technique is an effective means of gathering expert input to inform evaluation tool development, particularly in the absence of accepted evaluation guidelines or pre-existing evaluation tools. Although challenges exist with the Delphi technique, it is an adaptable method that can be modified to meet a variety of needs. During this project, the technique was modified to meet specific needs, including participants’ partial anonymity and starting material to reduce the number of required rounds. The resulting interview guide contained open-ended questions focused on respondents’ understanding of EBP and PEN, use of PEN by dietitians in other disciplines, perceptions of the quality/usefulness of PEN, and barriers to and facilitators of PEN use.

Résumé

Un guide d’entrevue a été créé en vue de procéder à l’évaluation qualitative de l’impact de l’outil Pratique en nutrition reposant sur des données probantes (PEN) sur la pratique de la diététique et de son succès à titre de média pour le transfert des connaissances (TC). La technique Delphi a été employée dans le but de réunir un groupe varié d’experts (n = 7) possédant des connaissances approfondies en TC et en pratique reposant sur des données probantes (PDP); ces spécialistes ont mis au point le contenu du guide d’entrevue. Cette technique constitue une méthode efficace pour rassembler les idées d’experts afin d’orienter la mise au point d’un outil d’évaluation, particulièrement en l’absence de directives d’évaluation reconnues ou d’outils d’évaluation existants. Bien que la technique Delphi pose certains défis, il s’agit d’une méthode adaptable qui peut être modifiée afin de répondre à divers besoins. Au cours de ce projet, la technique a été modifiée afin de tenir compte de besoins particuliers, dont l’anonymat partiel des participants et le recours à du matériel de départ dans le but de réduire le nombre de tours requis. Le guide d’entrevue issu de ce processus contenait des questions ouvertes axées sur la compréhension des répondants des PDP et de PEN, l’utilisation de PEN par les diététistes dans d’autres disciplines, les perceptions de la qualité et de l’utilité de PEN, et les obstacles et éléments facilitateurs propres à l’utilisation de PEN.

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Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 72Number 4December 2011
Pages: 186 - 190

History

Version of record online: 18 November 2011

Authors

Affiliations

Janet Hemming, MScAHN, PDt
Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS
Daphne Lordly, MAHE, PDt
Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS
N. Theresa Glanville, PhD, PDt
Department of Applied Human Nutrition, Mount Saint Vincent University, Halifax, NS
Lynda Corby, MSc, MEd, RD
Dietitians of Canada, Toronto, ON
Jayne Thirsk, PhD, RD
Dietitians of Canada, Toronto, ON

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