Data Analysis of 18 Million Amazon Reviews Finds Incentivized Reviewers Give Higher Ratings

Data analysis has found that incentivized reviewers who were given free or discounted products in exchange for reviews were found to rate products 0.4 stars higher.

That’s enough to send an average Amazon-reviewed product from the 54th percentile to the 94th percentile.

Read more: http://twistedsifter.com/videos/incentivized-amazon-reviewers-give-higher-ratings/