To assess the validity of the research into alcohol-related outcome expectancies a systematic review of 80 articles published between 1970 and 2013 was conducted.
Participant gender, age, and contextual influences are highlighted as possible causes of the observed variations in research findings.
There is a need for fuller consideration of the influences of demographics and environmental and social contexts on research findings. It is recommended that alcohol intake measures should be standardized to a greater degree in future research.
Contextual influences on expectancies also require extensive future investigation to increase the validity of research and improve alcohol-related interventions.
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