What is an adequate sample size? Operationalising data saturation for theory-based interview studies

Francis, Jill J. ; Johnston, Marie ; Robertson, Clare ; Glidewell, Liz ; Entwistle, Vikki ; Eccles, Martin P. ; Grimshaw, Jeremy M.

Psychology & health, 2010-12, Vol.25 (10), p.1229-1245 [Periódico revisado por pares]

England: Routledge

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