07. Methods: Data Synthesis - dataandcrowd/VGI GitHub Wiki
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