Decision-aids can be used to inform, but may also influence, decision-making.The present study considered whether a decision-aid which provided biased/directional information was capable of influencing decision-making toward a specific alternative online, and whether time pressure and risk would influence the use of that decision aid.To evaluate factors influencing the efficacy of a directional decision aid, twenty-four participants played computerised Blackjack whilst provided with advice that was capable of minimising losses (Basic strategy), under differing levels of risk and time pressure.The advice was directional (only advising to draw cards, or only advising to stand).Biased information influenced card totals."Conservative" (stand) advice led to lower wagers and hesitation before placing bets.Participants responded faster at higher levels of risk and compliance with the aid seemed greater at higher risk.Decision aids can influence behaviour, but their impact may depend upon time pressure and risk.
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