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Journal Article

Citation

Hopthrow T, Randsley de Moura G, Meleady R, Abrams D, Swift HJ. Addiction 2014; 109(6): 913-921.

Affiliation

Centre for the Study of Group Processes, University of Kent.

Copyright

(Copyright © 2014, John Wiley and Sons)

DOI

10.1111/add.12496

PMID

24450782

Abstract

AIMS: To investigate the impact of alcohol consumption on risk decisions taken both individually and while part of a 4-6 person ad-hoc group.

DESIGN: 2 (Alcohol: consuming vs. not consuming alcohol) x 2 (Decision: individual, group) mixed model design, Decision was a repeated measure. The dependent variable was risk preference, measured using choice dilemmas.

SETTING: Opportunity sampling in campus bars and a music event at a campus-based university in the United Kingdom.

PARTICIPANTS: (N = 101) were recruited from groups of 4 to 6 people who either were or were not consuming alcohol.

MEASUREMENTS: Participants privately opted for a level of risk in response to a choice dilemma and then, as a group, responded to a second choice dilemma. The choice dilemmas asked participants the level of accident risk at which they would recommend someone could drive while intoxicated.

FINDINGS: Five 3-level multilevel models were specified in the software program HLM 7. Decisions made in groups were less risky than those made individually (B = -0.73, p < .001). Individual alcohol consumers opted for higher risk than non-consumers (B = 1.27, p = .025). A significant alcohol by decision interaction (B = -2.79, p = .001), showed that individual consumers privately opted for higher risk than non-consumers whereas risk judgments made in groups of either consumers or non-consumers were lower. Decisions made by groups of consumers were less risky than those made by groups of non-consumers (B = 1.23, p < .001).

CONCLUSIONS: Moderate alcohol consumption appears to produce a propensity among individuals towards increased risk taking in deciding to drive while intoxicated, which can be mitigated by group monitoring processes within small (4-6 person) groups.


Language: en

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