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Open Access UCL Research: Evaluation of the effects of an offer of a monetary incentive on the rate of ... https://t.co/am4uN4KvtX
Open Access UCL Research: Evaluation of the effects of an offer of a monetary incentive on the rate of ... https://t.co/am4uN4KvtX
Evaluation of the effects of an offer of a monetary incentive on the rate of questionnaire return during follow-up o…https://t.co/jc964fZQqn
RT @MaritaHennessy: Evaluation of the effects of an offer of a monetary incentive on the rate of questionnaire return https://t.co/W5NGxwgX…
RT @MaritaHennessy: Evaluation of the effects of an offer of a monetary incentive on the rate of questionnaire return https://t.co/W5NGxwgX…