Productification

Reviews and Ratings on Web Sites

Seems like when it comes to ratings it’s pretty much all or nothing. Great videos prompt action; anything less prompts indifference. Thus, the ratings system is primarily being used as a seal of approval, not as an editorial indicator of what the community thinks about a video. Rating a video joins favoriting and sharing as a way to tell the world that this is something you love.

http://youtube-global.blogspot.com/2009/09/five-stars-dominate-ratings.html

…, the company says its ranking system already factors in the number of reviews, whether they come from experienced Yelpers or first-time reviewers, and whether those reviews were voted helpful.

http://venturebeat.com/2009/10/12/how-yelp-deals-with-everybody-getting-four-stars-on-average/