Francis, Jill JJohnston, MarieRobertson, ClareGlidewell, LizEntwistle, Vikki AnnEccles, Martin PGrimshaw, Jeremy M2013-02-122013-02-122010-12Francis, J J, Johnston, M, Robertson, C, Glidewell, L, Entwistle, V A, Eccles, M P & Grimshaw, J M 2010, 'What is an adequate sample size? Operationalising data saturation for theory-based interview studies', Psychology & Health, vol. 25, no. 10, pp. 1229-1245. https://doi.org/10.1080/088704409031940151476-8321ORCID: /0000-0002-0856-4025/work/74327870ORCID: /0000-0003-0124-4827/work/175113836http://hdl.handle.net/2164/2654This is an electronic version of an article published in Francis, JJ, Johnston, M, Robertson, C, Glidewell, L, Entwistle, V, Eccles, MP & Grimshaw, JM 2010, 'What is an adequate sample size? : Operationalising data saturation for theory-based interview studies', Psychology & Health, Vol. 25, No. 10, pp. 1229-1245. Psychology & Health is available online at: http://www.informaworld.com/smpp/content~db=all?content=10.1080/08870440903194015.17116138engdata saturationsample sizeinterviews as topicmodels, psychologicaltheory-based content analysisRA Public aspects of medicineRAJournal article10.1080/088704409031940152510