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Scale Reviews

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Testimonial

This scales book is a classic in psychometrics. It is instrumental for survey researchers in the fields of advertising, marketing, consumer psychology, and other related fields that rely largely on attitudinal measures. My copy has gotten me through years of field research by helping provide testable, reliable scales.
Angeline Close Scheinbaum, Ph.D.
University of Texas at Austin

Knowledge of the Product Class (Expert)

The scale uses three statements to measure a consumer’s belief that he/she has expert level knowledge with respect to a specific product category and is an excellent source of information for friends buying such a product.