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Measuring adolescent alcohol outcome expectancies.

K Fromme1, E J D'Amico

  • 1Department of Psychology, University of Texas at Austin 78712, USA. Fromme@psy.utexas.edu

Psychology of Addictive Behaviors : Journal of the Society of Psychologists in Addictive Behaviors
|June 22, 2000
PubMed
Summary

The Comprehensive Effects of Alcohol (CEOA) questionnaire better predicts adolescent alcohol use quantity than the Alcohol Expectancy Questionnaire--Adolescent version (AEQ-A). Both tools show similar reliability for measuring alcohol expectancies.

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Area of Science:

  • Psychology
  • Addiction Research
  • Adolescent Health

Background:

  • Adolescent alcohol consumption is a significant public health concern.
  • Understanding alcohol expectancies is crucial for developing effective prevention and intervention strategies.
  • Existing measures of alcohol expectancies, such as the Alcohol Expectancy Questionnaire--Adolescent version (AEQ-A), require further validation and comparison.

Purpose of the Study:

  • To compare the psychometric properties and construct validity of the Comprehensive Effects of Alcohol (CEOA) questionnaire with the AEQ-A.
  • To assess the predictive utility of both questionnaires in relation to adolescent alcohol consumption patterns (quantity and frequency).

Main Methods:

  • A comparative study design was employed to evaluate the CEOA and AEQ-A.

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  • Psychometric properties including internal reliability and temporal stability were assessed for both measures.
  • Adolescent alcohol consumption (quantity and frequency) was measured and correlated with scores from both questionnaires.

    • Main Results:

    • Both the CEOA and AEQ-A demonstrated good internal reliability and temporal stability.
    • Alcohol use was significantly associated with specific subscales on both questionnaires, reflecting cognitive, behavioral, and self-perception expectancies.
    • The CEOA explained a greater proportion of variance in adolescent alcohol consumption quantity (28%) compared to the AEQ-A (20%), while variance in frequency was similar (15% for both).

    Conclusions:

    • The CEOA and AEQ-A are reliable and valid measures of adolescent alcohol expectancies.
    • The CEOA demonstrates superior predictive validity for alcohol consumption quantity in adolescents.
    • The CEOA's Likert response format, brevity, and dual assessment of expected effects and subjective evaluations may offer practical advantages in research and clinical settings.