McCambridge, Jimde Bruin, MarijnWitton, John2014-09-252014-09-252012-06-19McCambridge, J, de Bruin, M & Witton, J 2012, 'The effects of demand characteristics on research participant behaviours in non-laboratory settings : a systematic review', PloS ONE, vol. 7, no. 6, e39116. https://doi.org/10.1371/journal.pone.00391161932-6203http://hdl.handle.net/2164/36086596388engbehavioral researchhealth behaviorhumanslongitudinal studiesR MedicineRThe effects of demand characteristics on research participant behaviours in non-laboratory settings : a systematic reviewJournal article10.1371/journal.pone.003911676