Poor convergence: College students’ definitions and free-poured volumes of standard alcohol servings

ORCID

Carolynn S. Kohn: 0000-0002-2156-4898

Document Type

Article

Publication Title

Journal of Drug Education: Substance Abuse Research and Prevention

Department

Psychology

ISSN

0047-2379

Volume

47

Issue

1--2

DOI

10.1177/0047237917744329

First Page

36

Last Page

50

Publication Date

1-1-2017

Abstract

We examined the correspondence between college students’ (N = 192, 71% women) definitions of free-pours and their free-poured volumes of beer, wine, and liquor. Participants’ mean beer definitions and free-pours were positively correlated; participants’ mean wine and liquor definitions were larger than their free-pours, which were fairly accurate. Contrary to what the aggregate mean values indicated, fewer than half of the participants accurately free-poured a standard volume of beer, wine, or liquor (37.4%, 35.1%, and 22.2%, respectively) or provided an accurate definition of beer (45.8%); similar to the aggregate data, few participants provided accurate definitions of standard serving of wine (12.2%) or liquor (12.8%) Instead, a majority of participants’ definitions and free-pours were well over or under a standard serving. For all three types of alcohol, there was little correspondence between each individual participant’s definitions and his or her free-poured volumes. These data suggest analyses of individual data points may provide information important for data collection, prevention, and intervention strategies.

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