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Validation of the revised Alcohol Expectancy Task [rAET].

Megan Cook¹, Florian Labhart¹, Rebecca Monk²

¹Centre for Alcohol Policy Research, La Trobe University.

Experimental and Clinical Psychopharmacology

|November 4, 2021

Summary

The revised Alcohol Expectancy Task (rAET) effectively measures alcohol expectancies related to emotions. Positive expectancies, particularly sedation and arousal, correlate with higher drinking frequency.

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Area of Science:

Psychology
Behavioral Science
Substance Use Research

Background:

Alcohol expectancies significantly influence alcohol consumption patterns.
Traditional self-report questionnaires are common, but pictographic assessments like the revised Alcohol Expectancy Task (rAET) are emerging.
The rAET utilizes illustrated scenarios based on the Circumplex Model of Affect to assess expectancies.

Purpose of the Study:

To examine the factor structure of the rAET.
To assess participants' endorsement of hypothesized expectancy dimensions.
To investigate the association between rAET scores and drinking patterns.

Main Methods:

Online administration of the rAET to a convenience sample (n=1,192).
Confirmatory factor analysis to evaluate the hypothesized four-factor model.
Structural equation modeling to analyze relationships between expectancies and drinking behaviors.

Main Results:

The confirmatory factor analysis supported the hypothesized four-factor structure of the rAET.
Positive alcohol expectancies were more prevalent than negative ones.
Positive sedation and arousal expectancies were linked to higher drinking frequency, but not quantity or binge drinking.

Conclusions:

The rAET appears to be a valid tool for assessing alcohol expectancies tied to emotional outcomes.
Further research is recommended to validate the rAET in diverse settings and age groups.
The study highlights the link between specific positive alcohol expectancies and frequent alcohol consumption.