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Northwestern Study Volume 1: From Reviews to Revenue

How Star Ratings and Review Content Influence Purchase

It’s largely understood that ratings and reviews play a big role in consumers’ purchase decisions. But what’s less obvious are the circumstances under which reviews have the biggest impact on purchase.

PowerReviews partnered with Northwestern University’s Spiegel Digital and Database Research Center to better understand the influence of ratings and reviews as a whole and the role various review elements play on the probability of sales.

Download the study to understand:
  • The influence of a product’s average star rating on purchase likelihood
  • The impact of star ratings across product segments, price ranges, and high and low consideration product categories
  • How the length and number of reviews for a product affect sales

 

 

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