1) To test the effects on the completion of an online questionnaire of telling invitees that they will be entered in a prize draw.
2) To assess the relationship between incentive amount and completion of the online questionnaire.
3) To test the effect of one versus two reminders on completion of the online questionnaire.
Trial Forge will make trials more efficient by looking for marginal gains across all trial processes, from research question to implementation into routine care. It will encourage everyone connected with trials to be more sceptical of what we do by asking for the evidence behind all of our trial decisions.