Introduction
RECRUITMENT, RECRUITMENT
Randomised controlled trials (RCTs) are necessary for producing evidence-based interventions across medicine, including mental health services. Recruitment is often challenging, however [Barriers to recruitment include organisational difficulties, patient and clinician attitudes, lack of eligible patients, and difficulties in communicating the nature of the research [Trials that involve a comparison between very different interventions may be particularly challenging to recruit to [Acceptability studies offer the opportunity to explore the views of potential participants about proposed interventions and taking part in randomised trials. They may help recruitment by identifying people who might be willing to enrol in advance of the trial starting. Such studies often take the form of interviews or focus groups, typically exploring how a proposed intervention may be received by its target population [