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The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
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[The Delphi technique: Methodology, variants and usage examples].

Marlen Niederberger1, Stefanie Deckert2

  • 1Forschungsmethoden in der Gesundheitsförderung und Prävention, Pädagogische Hochschule Schwäbisch Gmünd, Schwäbisch Gmuünd, Deutschland.

Zeitschrift Fur Evidenz, Fortbildung Und Qualitat Im Gesundheitswesen
|September 22, 2022
PubMed
Summary
This summary is machine-generated.

Delphi methods systematically synthesize expert knowledge in health research for evidence-based interventions. This paper contrasts Delphi technique variants to guide researchers in selecting the optimal method for their studies.

Keywords:
ConsensusDelphi techniqueDelphi-TechnikExpert surveyExpertenbefragungForecastGesundheitswissenschaftenHealth sciencesJudgementKonsensUrteilVorausschau

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Area of Science:

  • Health Sciences
  • Medical Research Methodology

Context:

  • Delphi methods are integral to the exploratory and evaluative phases of health research.
  • They systematically synthesize explicit and implicit knowledge from diverse experts in research and practice.

Purpose:

  • To provide a comprehensive overview and contrast of various Delphi method techniques.
  • To enable researchers to select the most appropriate Delphi technique for their specific research questions and endeavors.

Summary:

  • Delphi techniques, originally for group communication, are established consensus methods in healthcare.
  • Findings enhance evidence, acceptance, and implementation of interventions, standards, and guidelines.
  • Recent variants necessitate a clear understanding of their epistemological and methodological underpinnings.

Impact:

  • Improved evidence base for healthcare interventions and guidelines.
  • Increased successful implementation of new standards and practices.
  • Empowered researchers to make informed decisions on Delphi method selection.