The cost of a knowledge silo: a systematic re-review of water, sanitation and hygiene interventions

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Divisions between communities, disciplinary and practice, impede understanding of how complex interventions in health and other sectors actually work and slow the development and spread of more effective ones. This hypothesis was tested by re-reviewing a Cochrane-standard systematic review (SR) of water, sanitation and hygiene (WASH) interventions’ impact on child diarrhoea morbidity: can greater understanding of impacts and how they are achieved be gained when the same papers are reviewed jointly from health and development perspectives? Using realist review methods, researchers examined the 27 papers for evidence of other impact pathways operating than assumed in the papers and SR.

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Date: 5 June 2014
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