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. 2020 Jan;13(1):11-23.
doi: 10.1177/1937586719887709.

We Agree, Don't We? The Delphi Method for Health Environments Research

Ellen Taylor  1
Affiliations

We Agree, Don't We? The Delphi Method for Health Environments Research

Ellen Taylor. HERD. 2020 Jan.

Abstract

Objective: This overview is intended to provide the process framework for built environment researchers to use the Delphi method. The article outlines the methodological criteria originally established for the Delphi method, as well as commonly accepted modifications, to advance guidance for evidence-based built environment considerations.

Background: Increasingly used in healthcare research, the Delphi method is a process for gaining consensus through controlled feedback from a panel-a group made up of experts or individuals knowledgeable on the subject. The method is often used where there is limited or conflicting evidence, where participants may be geographically dispersed, and where anonymity is desired to control for dominant individuals. The Delphi method consists of panel selection, development of content surveys, and iterative stages of anonymous responses to gain consensus. Panelists receive feedback after each round in the form of a statistical representation of the overall group's response. The goal of multiple iterations in the Delphi method is to reduce the range of responses and gain expert consensus, which is often seen as more credible than conjecture or individual opinion.

Conclusion: With a geographic diversity of healthcare design expertise, and with so many aspects of healthcare design lacking a robust body of supporting empirical research, the Delphi method is well-suited to developing evidence-based design recommendations and considerations for healthcare built environments.

Keywords: Delphi; built environment research; consensus; evidence-based design; healthcare; methodology.

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