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Evidence-based policy making: determining what is evidence.

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Heliyon
|August 8, 2020
PubMed
Summary

Different methods for assessing research evidence yield varied results, impacting policy decisions. Understanding these knowledge assessment biases is crucial for evidence-based policymaking in fields like agriculture.

Keywords:
Agricultural economicsAgricultural policyAgricultural technologyAgricultureBibliometricsDelphiEvidence-based policyInformation scienceKnowledge representationLiterature analysisNetwork analysisSocial network analysisSurvey articles

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Area of Science:

  • Policy Studies
  • Knowledge Management
  • Agricultural Science
  • Biotechnology

Background:

  • Evidence-based policy requires effective assessment of research.
  • Exponential growth in scholarly publications complicates identifying established knowledge.
  • Synthesizing research for policy is increasingly challenging.

Purpose of the Study:

  • To review theories of knowledge and methods for knowledge synthesis.
  • To compare the impact of different assessment methods on evidence selection.
  • To provide insights into assembling knowledge bases for research and policy.

Main Methods:

  • A summative process was applied to the domain of biotechnology, agriculture, and development.
  • A population sample of 421 articles was gathered.
  • Four methods were used for core literature selection: expert Delphi, citation analysis, social network analysis, and peer evaluation, resulting in 51 selected articles.

Main Results:

  • Each knowledge assessment method produced a distinct set of evidence.
  • The comparative analysis highlighted differences in evidence selection outcomes based on methodology.
  • Potential biases in knowledge assessment were identified as a challenge for policymakers.

Conclusions:

  • The choice of method significantly influences the evidence base for policy.
  • Policymakers must be aware of potential biases in knowledge assessment processes.
  • Careful consideration of assessment methods is vital for rationalizing public policy.