Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors · 2026
Nudging the uptake of responsible gambling tools among land-based casino players: A randomized controlled trial assessing the utility of incentivization.
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Wohl Michael J A, Ortis Amy C, Davis Christopher G, Tabri Nassim
Аннотация
OBJECTIVE: To test whether a modest incentive increases uptake of a responsible gambling deposit-limit tool among land-based casino players using a digital wallet for electronic gaming machine play and whether reward sensitivity or disordered gambling symptomatology moderates this effect.
METHOD: Participants were 314 U.S. casino loyalty-program members who used the operator's digital wallet to play electronic gaming machines and had not enrolled in the operator's deposit-limit tool. Participants were randomly assigned to a control condition (n = 156), which provided standard information about the tool and a link to enroll, or an incentive condition (n = 158), which provided the same information plus 500 reward points (value equivalent to $5 USD) for enrolling. Enrollment was assessed in two prespecified ways: clicking the embedded enrollment link and operator-verified enrollment via player account data. Reward sensitivity and disordered gambling symptomatology were assessed using the Sensitivity to Reward subscale and the Problem Gambling Severity Index, respectively.
RESULTS: Participants in the incentive condition were more likely than controls to click the enrollment link (36.1% vs. 25.0%), χ²(1) = 4.54, p = .033, φ = .12, and to enroll based on operator account data (17.1% vs. 2.1%), χ²(1) = 18.64, p < .001, φ = .25. Reward sensitivity and disordered gambling symptomatology did not moderate the effect. Exploratory analyses linked younger age, but not gender, to both outcomes; neither age nor gender moderated the condition effect.
CONCLUSIONS: A modest incentive increased initial uptake of a monetary deposit-limit tool among active land-based casino gamblers. These findings suggest that low-cost incentive-based strategies may help increase engagement with responsible gambling tools. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
METHOD: Participants were 314 U.S. casino loyalty-program members who used the operator's digital wallet to play electronic gaming machines and had not enrolled in the operator's deposit-limit tool. Participants were randomly assigned to a control condition (n = 156), which provided standard information about the tool and a link to enroll, or an incentive condition (n = 158), which provided the same information plus 500 reward points (value equivalent to $5 USD) for enrolling. Enrollment was assessed in two prespecified ways: clicking the embedded enrollment link and operator-verified enrollment via player account data. Reward sensitivity and disordered gambling symptomatology were assessed using the Sensitivity to Reward subscale and the Problem Gambling Severity Index, respectively.
RESULTS: Participants in the incentive condition were more likely than controls to click the enrollment link (36.1% vs. 25.0%), χ²(1) = 4.54, p = .033, φ = .12, and to enroll based on operator account data (17.1% vs. 2.1%), χ²(1) = 18.64, p < .001, φ = .25. Reward sensitivity and disordered gambling symptomatology did not moderate the effect. Exploratory analyses linked younger age, but not gender, to both outcomes; neither age nor gender moderated the condition effect.
CONCLUSIONS: A modest incentive increased initial uptake of a monetary deposit-limit tool among active land-based casino gamblers. These findings suggest that low-cost incentive-based strategies may help increase engagement with responsible gambling tools. (PsycInfo Database Record (c) 2026 APA, all rights reserved).