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Abstract Theory of planned behavior ( TPB ) variables and anticipated affect were assessed in relation to drinking and avoiding alcohol and in relation to eating and avoiding fast food. It was shown that previously reported residual effects of anticipated affect in the prediction of intentions are obtained only when the TPB variables are assessed with respect to one behavior (action or inaction) and anticipated affect is measured in relation to the alternative behavior. When all variables were assessed with respect to the same behavior, anticipated affect made no independent contribution to the prediction of intentions, nor did anticipated affect retain a residual effect when the TPB constructs in relation to the alternative action were included in the prediction equation.
Ajzen et al. (Tue,) studied this question.