Key points are not available for this paper at this time.
Michael A. Kamins, Henry Assael, Two-Sided versus One-Sided Appeals: A Cognitive Perspective on Argumentation, Source Derogation, and the Effect of Disconfirming Trial on Belief Change, Journal of Marketing Research, Vol. 24, No. 1 (Feb., 1987), pp. 29-39
Kamins et al. (Sun,) studied this question.