Carden, FredRogers, Patricia J.2012-02-172012-02-172010http://hdl.handle.net/10625/48298PowerPoint presentationChinese version available in IDRC Digital LibraryThe process of “causal inference” is considered in terms of: timing of interventions; whether content of intervention matches outcome; and how to look for distinctive effect patterns. The presentation uses the example of the spread of cholera in London, and how this was inferred from mapping ‘data’ at the time and tracing possible processes that led to a repertoire of causal pathways. The theory can extend and be applied to other situations, such as how research influences health policy, identifying key factors in the general context and decision contexts that could help reveal pathways to evidence-based policy.1 digital file (13 p. : ill.)application/pdfenHEALTH SYSTEMSHEALTH POLICYRESEARCH TO POLICYCHOLERADATA COLLECTIONEVIDENCE-BASED POLICYCHINAFAR EAST ASIAPresentation