How are Power Circle Ratings calculated?
To calculate Power Circle Ratings, J.D. Power and Associates begins with the syndicated study index scores or a specific standard of measurement which can be found, in most cases, in the associated press release. An example of an index score is found in the J.D. Power and Associates New-Home Builder Customer Satisfaction Study,SM where home building companies are ranked according to overall index scores based upon weighted responses to several survey factors. An example of a specific standard of measurement is found in the J.D. Power and Associates Initial Quality Study,SM where vehicles are ranked according to reported Problem Per 100 (PP100). Using these measurements, Power Circle Ratings are calculated based on the range between the product or service with the highest score and the product or service with the lowest score. J.D. Power and Associates generates a Power Circle Rating of five, four, three, or two, as outlined below: Among the best The highest-ranking company or brand in
