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Testimonial

I really appreciate your marketing scales database online. It is an important resource for both our students and our researchers as well. Since my copies of the original books are slowly disintegrating due to the intensive use, I am happy that you are making them available in this way. It is very helpful in the search for viable constructs on which to do sound scientific research.
Dr. Ingmar Leijen
Vrije Universiteit University, Amsterdam

Self-Doubt

This scale has eight, seven-point Likert-type statements that measure a person's general sense of uncertainty about his/her competence.  The scale was called personal insecurity by Rindfleisch, Burroughs, and Wong (2009).