Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
Easy enough for my 1st grader to read. This series "Barbie spy squad" thing is taking over my kids' lives. Barbie is now working as a spy and solving the worlds problems and also wearing ball gowns. Dress up clothes and Barbie dolls also for sale in stores