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07. Methods: Data Synthesis

Hyesop edited this page May 12, 2021 · 7 revisions

Data synthesis: What is it?

  • Synthesis involves bringing the results of individual studies together and summarising their findings.
  • This may be done quantitatively or, if formal pooling of results is inappropriate, through a narrative approach.
  • Synthesis should also explore whether observed intervention effects are consistent across studies, and investigate possible reasons for any inconsistencies.
  • Calculating the effect size

Topics

  • Bike Sharing, Bike collision/incident
  • OSM
  • Political issues
  • Others

Types of data that are commonly synthesised

Variable Description
Age <20, 20-24,…,>75
Gender Men, Women, Not answered
Platform (App) OSM, Strava, Mapilary, Wikimapia
Others Time, Money, Knowledge, Education

Calculating the effect sizes

  • Mean difference
  • Risk ratio
  • Odds ratio

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