Miles, Lisa M.Elbourne, DianaFarmer, AndrewGulliford, Martin C.Locock, LouiseMcCambridge, JimSutton, StephenFrench, David P2018-11-272018-11-272018-11-26Miles, L M, Elbourne, D, Farmer, A, Gulliford, M C, Locock, L, McCambridge, J, Sutton, S & French, D P 2018, 'Bias due to MEasurement Reactions In Trials to improve health (MERIT) : protocol for research to develop MRC guidance', Trials, vol. 19, 653. https://doi.org/10.1186/s13063-018-3017-51745-6215ORCID: /0000-0002-8109-1930/work/83704598http://hdl.handle.net/2164/11523Acknowledgements The authors would like to acknowledge Dr. Angela Rodrigues and Prof. Falko Sniehotta who are co-authors working on the systematic review of the question-behaviour effect on health-related behaviours and Dr. Katerina Kassavou who is a co-author of the three rapid reviews described in this protocol. Funding The MERIT study is funded by the MRC/NIHR Methodology Research Programme (reference MC_PC_17229); funders have had no role in the design of the study or the writing of this manuscript.8578727engmeasurementreactivitymeasurement reactionsguidancetrialsbiasHawthorne effectR Medicine (General)Medical Research Council (MRC)MC_PC_17229R1Journal article10.1186/s13063-018-3017-519