@misc{misc, title  = {{Choosing the Target Difference (“effect size”) for a Randomised Controlled Trial - DELTA<sup>2</sup> Guidance}},

 url = {{https://doi.org/10.20944/preprints201808.0521.v1 }},

 year = {{2018}},

 month = {{8}},

 author = {{Cook JA and Julious SA and Sones W and Hampson LV and Hewitt C and Berlin JA and Ashby D and Emsley R and Fergusson DA and Walters SJ and Wilson ECF et al}},

 doi = {{10.20944/preprints201808.0521.v1}},

 note = {{Accessed on 2025/10/31}}}