An Expanded Daily Alcohol Expectancies Measure: Results on the Multilevel Factor Structure and Psychometric Properties.

IF 2.4 3区 医学 Q2 PSYCHOLOGY
Journal of studies on alcohol and drugs Pub Date : 2024-09-01 Epub Date: 2024-03-01 DOI:10.15288/jsad.23-00206
Brian H Calhoun, Anne M Fairlie, Isaac C Rhew, Theresa Walter, Christine M Lee
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引用次数: 0

Abstract

Objective: Alcohol expectancies are beliefs people have about the likelihood of experiencing various positive or negative consequences related to alcohol use. Expectancies have most commonly been treated as traitlike characteristics of individuals, but some researchers have assessed expectancies as state-level characteristics that vary within persons across days. Previous work developed a 13-item daily alcohol expectancies measure. This study evaluated an expanded version of that measure that includes 10 additional expectancy items.

Method: Participants were 2- and 4-year college students (N = 201; 63.7% female; 55.2% White non-Hispanic; 75.1% 4-year students) randomized to the control group of a longitudinal study designed to test the efficacy of a just-in-time adaptive intervention delivered via mobile app to reduce high-risk alcohol use. Multilevel exploratory factor analysis was used to determine the factor structure at the daily and person levels. Multilevel models were used to evaluate the convergent validity of the resulting subscales.

Results: Two factors, broadly representing positive and negative alcohol expectancies, were retained at the daily and person levels. Composite reliability (omega) estimates ranged from .85 to .96 and suggested that the reliability of the resulting subscales was good to strong. Associations between the daily expectancy subscales and baseline scores on an established expectancies measure provided preliminary evidence of convergent validity.

Conclusions: Findings indicate that this expanded 23-item daily alcohol expectancies measure is psychometrically sound. This measure is appropriate for use in daily or just-in-time expectancy challenge interventions. It is suitable for use among 2- and 4-year college students who drink alcohol regularly and occasionally in heavy quantities and who experience alcohol-related negative consequences.

扩展的每日酒精期望测量:多层次因素结构和心理测量特性的结果。
目的:酒精预期是指人们对与饮酒有关的各种积极或消极后果的可能性的信念。期望通常被视为个人的特质特征,但也有研究人员将期望评估为人体内不同天内的状态水平特征。之前的研究开发了一种包含 13 个项目的每日酒精预期测量方法。本研究评估了该测量方法的扩展版本,其中包括 10 个额外的预期项目:参与者为2年制和4年制大学生(N=201;63.7%为女性;55.2%为非西班牙裔白人;75.1%为4年制学生),他们被随机分配到一项纵向研究的对照组,该研究旨在测试通过手机应用提供的及时适应性干预对减少高风险饮酒的效果。多层次探索性因子分析用于确定日常和个人层面的因子结构。多层次模型用于评估由此产生的子量表的收敛有效性:在日常和个人层面上保留了两个因子,分别代表积极和消极的酒精预期。综合信度(ω)估计值介于 0.85 和 0.96 之间,表明所得子量表的信度良好至较高。日常期望子量表与已建立的期望测量基线分数之间的关联提供了收敛有效性的初步证据:研究结果表明,这个由 23 个项目组成的日常酒精预期量表在心理测量学上是可靠的。该量表适合用于日常或及时的预期挑战干预,适合用于经常或偶尔大量饮酒并经历过与酒精相关的负面后果的两年制和四年制大学生。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.80
自引率
5.90%
发文量
224
审稿时长
3 months
期刊介绍: The Journal of Studies on Alcohol and Drugs began in 1940 as the Quarterly Journal of Studies on Alcohol. It was founded by Howard W. Haggard, M.D., director of Yale University’s Laboratory of Applied Physiology. Dr. Haggard was a physiologist studying the effects of alcohol on the body, and he started the Journal as a way to publish the increasing amount of research on alcohol use, abuse, and treatment that emerged from Yale and other institutions in the years following the repeal of Prohibition in 1933. In addition to original research, the Journal also published abstracts summarizing other published documents dealing with alcohol. At Yale, Dr. Haggard built a large team of alcohol researchers within the Laboratory of Applied Physiology—including E.M. Jellinek, who became managing editor of the Journal in 1941. In 1943, to bring together the various alcohol research projects conducted by the Laboratory, Dr. Haggard formed the Section of Studies on Alcohol, which also became home to the Journal and its editorial staff. In 1950, the Section was renamed the Center of Alcohol Studies.
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