Fig. 3From: Development and evaluation of decision aids for people considering taking part in a clinical trial: a conceptual frameworkDevelopment and evaluation process for decision aids for people considering trial participation. Adapted from the Medical Research Council (MRC) guidance on developing and evaluating complex interventions and the Model Development Process for Decision Aids (Coulter et al. 2013 [19], Craig et al. 2008 [25]).Back to article page