Under load, time decreased with the offer of incentives (£1000: M = 48.9sec vs. The time spent viewing the risk-information was affected by the offer of incentives, an effect moderated by cognitive load: Without load, time increased with the value of incentives (£1000: M = 304.4sec vs. Risk-information processing was unaffected by the offer of incentives. Willingness to take the pill increased with the offer of £1000 (84% vs. Participants were randomised to the offer of different compensation levels for taking a fictitious pill (£0 £25 £1000) and the presence or absence of a cognitive load task (presentation of five digits for later recall). Two-hundred and seventy-five UK-based university staff and students were recruited online under the pretext of being screened for a fictitious drug-trial. It further assesses whether effects are moderated by limiting cognitive capacity. This web-based experiment assessed the impact of financial incentives on i) willingness to take a pill with side-effects ii) the time spent viewing risk-information and iii) risk-information processing, assessed by perceived-risk of taking the pill and knowledge of its side-effects. Uncertainty remains about the validity of such concerns. The use of financial incentives for changing health-related behaviours raises concerns regarding their potential to undermine the processing of risks associated with incentivised behaviours.
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