This is a dataset from a Study Within a Trial (SWAT) that examined whether watching participant testimony videos might improve recruitment. The dataset includes 7 variables (including anonymous ID number) for 480 participants in the SWAT. The Variables are:- Participant ID Allocated SWAT condition - 2 way comparison Allocated SWAT condition - 3 way comparison Did participant express interest in host trial? Was participant screened for eligibility for host trial? Was participant assessed as eligible to take part in host trial? Was participant randomised into host trial?