Wednesday, February 8, 2012

How does rotten tomatoes calculate their percentage ratings for movies?

the average rating below always seems to be lower than the percentage they give for audience and tomatometer/criticsHow does rotten tomatoes calculate their percentage ratings for movies?
In short - They average all existing/known ratings from other parties then add in the personal ratings of top reviewers from within their own group



The website keeps track of all of the reviews counted (which can approach 270 for major, recently released films) and the percentage of positive reviews is tabulated. If the positive reviews make up 60% or more, the film is considered "fresh" in that a supermajority of the reviewers approve of the film. If the positive reviews are less than 60%, then the film is considered "rotten". In addition, major film reviewers like Roger Ebert, Desson Thomson, Stephen Hunter, and Lisa Schwarzbaum, are listed in a sub-listing called "Top Critics", which tabulates their reviews separately, while still including their opinions in the general rating. When there are sufficient reviews to form a conclusion, a consensus statement is posted which is intended to articulate the general reasons for the opinion.How does rotten tomatoes calculate their percentage ratings for movies?
The 'Tomatometer' is just whether the critic liked it or not, and for them to like it they have to give it 60% or more I think. Therefore, if for one film with 4 reviews it got 80%, 70%, 60% and 50%, the Tomatometer would be 75% but the average rating would be 65%

Or 6.5/10 cos they do that for average ratings
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