Participant recruitment in sensitive surveys: a comparative trial of ‘opt in’ versus ‘opt out’ approaches


BACKGROUND Although in health services survey research we strive for a high response rate, this must be balanced against the need to recruit participants ethically and considerately, particularly in surveys with a sensitive nature. In survey research there are no established recommendations to guide recruitment approach and an 'opt-in' system that requires… (More)
DOI: 10.1186/1471-2288-13-3

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