A rating system can be any kind of rating applied to a certain application domain. They are often created using a
rating scale
A rating scale is a set of categories designed to obtain information about a quantitative property, quantitative or a Qualitative data, qualitative attribute. In the social sciences, particularly psychology, common examples are the Likert scale, L ...
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Examples include:
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Motion picture content rating system
A motion picture content rating system classifies films based on their suitability for audiences due to their treatment of issues such as sex, violence, or substance abuse, their use of profanity, or other matters typically deemed unsuitable for ...
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Motion Picture Association film rating system
The Motion Picture Association film rating system is used in the United States and its territories to rate a motion picture's suitability for certain audiences based on its content. The system and the ratings applied to individual motion picture ...
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Canadian motion picture rating system
Motion picture ratings in Canada are mostly a provincial responsibility, and each province has its own legislation regarding exhibition and admission. For home video purposes, a single Canadian Home Video Rating System rating consisting of an a ...
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Television content rating system
Television content rating systems are systems for Content rating, evaluating the content and reporting the suitability of television programmes for Minor (law), minors. Many countries have their own television evaluation, rating system and coun ...
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Video game content rating system
A video game content rating system is a system used for the classification of video games based on suitability for target audiences. Most of these systems are associated with and/or sponsored by a government, and are sometimes part of the local m ...
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DC Comics rating system The DC Comics rating system is a system for rating the content of comic books used by DC Comics. In 2011, DC Comics withdrew from the Comics Code Authority and implemented an independent rating system. Rather than replicating the system used by Mar ...
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Marvel Comics rating system
The Marvel Comics rating system is a system for rating the content of comic books, with regard to appropriateness for different age groups. In 2001, Marvel Comics withdrew from the Comics Code Authority and established its own rating system for ...
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Elo rating system
The Elo rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess or esports. It is named after its creator Arpad Elo, a Hungarian-American chess master and physics professor.
The Elo system wa ...
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Glicko rating system
The Glicko rating system and Glicko-2 rating system are methods of assessing a player's strength in zero-sum two-player games. The Glicko rating system was invented by Mark Glickman in 1995 as an improvement on the Elo rating system and initiall ...
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Chess rating system
A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. They are used by organizations such as FIDE, the US Chess Federation (USCF or US Chess), International Correspon ...
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Rating system of the Royal Navy
The rating system of the Royal Navy and its predecessors was used by the Royal Navy between the beginning of the 17th century and the middle of the 19th century to categorise sailing warships, initially classing them according to their assi ...
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Star rating
Star ratings are a type of rating scale using a star glyph or similar typographical symbol. It is used by reviewers for ranking things such as films, TV shows, restaurants, and hotels. For example, a system of one to five stars is commonly use ...
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Sports rating system
A sports rating system is a system that analyzes the results of sports competitions to provide ratings for each team or player. Common systems include polls of expert voters, crowdsourcing non-expert voters, betting markets, and computer systems. ...
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Wine rating
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