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The Delphi technique: a methodological discussion

P L Williams1, C Webb

  • 1University College, Salford, England.

Journal of Advanced Nursing
|January 1, 1994
PubMed
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This study investigated supervising radiographers' key activities supporting undergraduate radiography students. It highlights the need for objective criteria in the Delphi technique to ensure consensus, validity, and reliability in educational research.

Area of Science:

  • Radiologic Technology Education
  • Healthcare Professional Training
  • Clinical Supervision

Background:

  • Recent curriculum reforms in radiographer education have led to undergraduate programs.
  • Clinical learning environments are crucial for radiography students' development.
  • Prior research in nursing informs the study of ward learning environments.

Purpose of the Study:

  • To investigate the most important activities of supervising radiographers that support undergraduate radiography students' clinical learning.
  • To identify deficiencies in previous Delphi technique applications regarding consensus criteria.
  • To explore issues of consensus, validity, and reliability in Delphi technique research within healthcare education.

Main Methods:

  • The Delphi technique was employed to gather expert opinions from supervising radiographers.

Related Experiment Videos

  • A critical review of previous Delphi technique applications was conducted.
  • Analysis focused on identifying consensus-building methodologies.

    • Main Results:

    • Key activities supporting radiography students' clinical learning were identified.
    • A significant deficiency was found in the use of arbitrary or post hoc rationales for determining consensus in prior Delphi studies.
    • The study underscores the need for robust consensus criteria in educational research.

    Conclusions:

    • Recommendations are provided for enhancing the consensus, validity, and reliability of the Delphi technique in future studies.
    • Improved methodological rigor is essential for educational research in radiographer training.
    • The findings contribute to optimizing clinical supervision strategies for undergraduate radiographers.