Use of methods for specifying the target difference in randomised controlled trial sample size calculations : Two surveys of trialists' practice

Cook, Jonathan AHislop, Jennifer MAltman, Doug GBriggs, Andrew HFayers, Peter MNorrie, John DRamsay, Craig RHarvey, Ian MVale, Luke DDELTA group2014-07-012014-07-012014-06Cook, J A, Hislop, J M, Altman, D G, Briggs, A H, Fayers, P M, Norrie, J D, Ramsay, C R, Harvey, I M, Vale, L D & DELTA group 2014, 'Use of methods for specifying the target difference in randomised controlled trial sample size calculations : Two surveys of trialists' practice', Clinical Trials, vol. 11, no. 3, pp. 300-308. https://doi.org/10.1177/17407745145219071740-7745ORCID: /0000-0003-4043-7349/work/84131379http://hdl.handle.net/2164/3324© The Author(s), 2014.9139887engR MedicineRUse of methods for specifying the target difference in randomised controlled trial sample size calculations : Two surveys of trialists' practiceJournal article10.1177/1740774514521907113