Certainty of Product Performance

What it measures

A three-item semantic scale designed to measure the degree to which a consumer believes that a product will function well and as it is intended to.

Response format

7-point semantic differential

Scale items

• How certain are you as to how well the product would function? not at all certain/very certain
• How well can you judge how the product would function? hard for me to judge/easy for me to judge
• I feel the product would probably . . . not work properly/work properly

Full scale items shown. Always cite the original source when using this scale in research.

Usage notes & scoring

Formal validity assessment was not reported by the original authors.

Citation

Weathers, Danny, Subhash Sharma, and Stacy L. Wood (2007), “Effects of Online Communication Practices on Consumer Perceptions of Performance Uncertainty for Search and Experience Goods,” Journal of Retailing, 83 (4), 393-401.

Keywords