In some studies about alcohol, experimenters provide one group of participants with an alcoholic beverage and another group with a

In some studies about alcohol, experimenters provide one group of participants with an alcoholic beverage and another group with a non-alcoholic beverage but the rim of the glass has been spritzed with alcohol. This technique creates a smell and taste similar to an alcoholic beverage, without containing the actual alcohol. The rim-spritzed drinks in this experiment serve as a(n) _____________________.


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