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The various models of cognitive consistency are in agreement that changes in belief follow from the psychological stress created by inconsistencies and that the magnitude of stress toward modification increases with the degree of inconsistency. The model of congruity, employing the measurement technique of the semantic differential, differs from the other models in its more detailed specifications of the cognitive interaction occurring within the individual and its more precise quantitative predictions about the resolution of inconsistencies.
Charles E. Osgood (Fri,) studied this question.