How Trustworthy Are Online Ratings?
October 7 2010, 10:08 PM
Such negativity exposes another, more pernicious bias: people tend not to review things they find merely satisfactory. They evangelize what they love and trash things they hate. These feelings lead to a lot of one- and five-star reviews of the same product.
An interesting article about biases in online ratings. Luckily there are also some good techniques to reduce bias in online ratings.