why have user evaluations or reviews?

Importance of Reviews and User Evaluations

According to JupiterResearch, 77 percent of online shoppers use reviews and ratings when purchasing.

Reviews drive 21 percent higher purchase satisfaction and 18 percent higher loyalty, according to Foresee Results.

In a study of 2,000 shoppers, 92 percent deemed customer reviews as "extremely" or "very" helpful, finds eTailing Group.

BizRate found 59 percent of users considered customer reviews to be more valuable than expert reviews.

In a CompUSA-iPerceptions study, 63 percent of consumers indicated they're more likely to purchase from a site if it has product ratings and reviews.

86.9 percent of respondents said they'd trust a friend's recommendation over a critic's review, while 83.8 percent said they'd trust user reviews over a critic, according to MarketingSherpa.

92.5 percent of adults said they regularly or occasionally research products online before buying in a store, found BIGresearch.

According to Keller Fay, 63 percent of all WOM is positive. Across all Bazaarvoice clients, 80 percent of products rate 4 or 5 stars out of 5.