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Table 2 Clinical Trials Unit survey on recruitment and retention - example methods thought to merit formal evaluation

From: Interventions to improve recruitment and retention in clinical trials: a survey and workshop to assess current practice and future priorities

Category Examples
Training site staff Do site visits aid recruitment?
What is the impact of site and investigator experience?
What is the effectiveness of computer prompts?
What is the comparative effectiveness of research nurses versus generic nurses?
What is the impact of patient and public involvement?
Methods of communication with patients What is the effect of publications and news releases?
What is the comparative effectiveness of full information booklet versus a short invitation letter?
What is the effect of telephone and/or text appointment reminders?
What is the comparative cost efficacy of radio advertisements versus newspapers?
What is the impact of patient and public involvement?
Incentives Do small incentives (books or pens) improve recruitment rates more than acknowledgement in a newsletter or email?
What is the comparative effectiveness of monetary incentives versus expenses?