Four unipolar items assess the degree of confidence and certainty a person has about their own thoughts or attitudes toward a target object.
7-point unipolar (1=not at all, 7=extremely)
Full scale items shown. Always cite the original source when using this scale in research.
Used previously by Petty, Briñol, and Tormala (2002); subsequently applied by Briñol, Petty, and Tormala (2004) with alphas .80 (Study 1) and .70 (Study 2). Also used by Argo, Dahl, and Manchanda (2005). Description states three items; four were extracted—verify against original article. Apply to thoughts or attitudes as appropriate for the research context.
Petty, R. E., Briñol, P., & Tormala, Z. L. (2002). Thought confidence as a determinant of persuasion: The self-validation hypothesis. Journal of Personality and Social Psychology, 82(5), 722–741.
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