@article{201808.0521, doi = {10.20944/preprints201808.0521.v1}, url = {https://doi.org/10.20944/preprints201808.0521.v1}, year = 2018, month = {August}, publisher = {Preprints}, author = {Jonathan A. Cook and Steven A. Julious and William Sones and Lisa V. Hampson and Catherine Hewitt and Jesse A. Berlin and Deborah Ashby and Richard Emsley and Dean A. Fergusson and Stephen J. Walters and Edward C.F. Wilson and Graeme Maclennan and Nigel Stallard and Joanne C. Rothwell and Martin Bland and Louise Brown and Craig R. Ramsay and Andrew Cook and David Armstrong and Doug Altman and Luke David Vale}, title = {Choosing the Target Difference (“effect size”) for a Randomised Controlled Trial - DELTA2 Guidance}, journal = {Preprints} }