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A scale for measuring evidence-searching capability: A development and validation study.

Yu-Shiun Tsai1,2, Tien-Pei Fang2,3,4, Ching-Chi Chi2,5,6

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|May 11, 2019
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Summary
This summary is machine-generated.

This study developed and validated a new scale to measure evidence-searching skills for healthcare professionals. The 15-item scale offers a reliable tool for assessing knowledge-acquiring ability efficiently.

Keywords:
evidence-based medicineinformation storage and retrievalinformation-seeking behaviourknowledge acquisition

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Area of Science:

  • Health Professions Education
  • Information Science
  • Research Methodology

Background:

  • Efficiently acquiring evidence is crucial for healthcare professionals making rapid decisions.
  • A validated tool is needed to assess the evidence-searching capabilities of these professionals.

Purpose of the Study:

  • To develop and validate a scale for measuring evidence-searching capability.
  • To provide a reliable instrument for assessing healthcare professionals' ability to find and utilize evidence.

Main Methods:

  • A 33-item scale was developed using the modified Delphi technique with seven expert reviewers.
  • Content validity was established through expert consensus, followed by pilot and formal testing.
  • Reliability was assessed using intra-cluster correlation coefficient (ICC), kappa coefficient, and Cronbach's alpha.

Main Results:

  • A 15-item scale with a global rating score was finalized, achieving an average scale-content validity index of 0.98.
  • Pilot testing showed high inter-rater (ICC=0.91) and intra-rater (ICC=1) reliability, with Cronbach's alpha at 0.90.
  • Formal testing demonstrated strong inter-rater reliability (ICC 0.61-1) and internal consistency (Cronbach's alpha 0.97).

Conclusions:

  • This study presents the first systematically developed and validated scale for evidence-searching skills.
  • The 15-item scale and global score provide an easily applicable method for objectively assessing knowledge-acquiring ability.