Date of Degree Completion
Master of Science (MS)
Second Committee Member
Third Committee Member
The current study investigated the influence of marijuana and alcohol consumption and craving on a primed word stem completion (WSC) task. One hundred participants were randomly assigned to one of three prime conditions: Substance-prime, neutral-prime, and no-prime. In the substance- and neutral-prime conditions, participants were presented with a series of prime words. After a distracter task those participants who were presented with a series of prime words, all participants were given a multi-solution WSC task, which consisted of the initial two to four letters of a word for which the participants were instructed to complete with the first word that came to mind. The numbers of substance-related and neutral-prime solutions that were produced by each participant were tallied to produce a score. Participants were then further instructed to complete measures of alcohol and marijuana consumption and craving and these measures were used as covariates in a MANCOVA analysis. The primes had a significant effect on performance in the WSC task, with the substance-prime increasing the number of alcohol- and marijuana-related word solutions compared to the neutral- and no-prime conditions. Alcohol consumption significantly influenced the production of alcohol-related word solutions, but neither marijuana consumption nor craving was associated with the production of marijuana-related word solutions. These results demonstrate that both priming and past alcohol use significantly influenced performance on a WSC task, indicating the presence, at least in part, of a cognitive bias in those who use alcohol.
Frahm, Wyatt G., "Cognitive Biases in Alcohol and Marijuana Users" (2017). All Master's Theses. 701.