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Access Type

WSU Access

Date of Award

January 2019

Degree Type


Degree Name




First Advisor

Emily Grekin


This factorial trial examined whether subjective reactions to a computer-delivered brief intervention (CDBI) for alcohol use (1) varied depending on the presence versus absence of an animated narrator, a spoken voice, common relationship factors, and motivational interviewing (MI) content and (2) predicted alcohol use outcomes at 3-month follow-up. Participants were 352 heavy drinking university students. All participants were randomly assigned to one of 16 versions of a CDBI. After finishing the CDBI, participants completed measures of intervention likability and perceived empathy. Alcohol use outcomes were assessed at 3-month follow-up. CDBI characteristics had minimal effects on participant ratings of likeability and perceived empathy. However, higher likeability and perceived empathy ratings produced decreases in all alcohol use outcomes over the 3-month assessment period. Results indicate that subjective reactions to CDBIs can have important effects on alcohol use outcomes.

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