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A rating is an
evaluation
Evaluation is a
systematic determination and assessment of a subject's merit, worth and significance, using criteria governed by a set of standards. It can assist an organization, program, design, project or any other intervention or initiative ...
or assessment of something, in terms of quality, quantity, or some combination of both.
Rating or ratings may also refer to:
Business and economics
*Credit rating
A credit rating is an evaluation of the credit risk of a prospective debtor (an individual, a business, company or a government), predicting their ability to pay back the debt, and an implicit forecast of the likelihood of the debtor defaultin ...
, estimating the credit worthiness of an individual, corporation or country
* Ranally city rating system The Ranally city rating system is a tool developed by Rand McNally & Co. to classify U.S. cities based on their economic function. The system is designed to reflect an underlying hierarchy whereby consumers and businesses go to a city of a certain ...
, a tool used to classify U.S. cities based on economic function
* Telecommunications rating, the calculated cost of a phone call
Entertainment
*Arbitron ratings
Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by mergin ...
or Nielsen Audio, consumer research on radio broadcasting audiences in the United States
* Content rating, the suitability of a TV broadcast, movie, comic book, or video game to its audience
** Motion picture rating system
A motion picture content rating system Content rating, 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 u ...
, categorizes films according to their suitability for adults and children
** Television content rating systems, categorizes TV shows based on suitability for audiences
** Video game content rating system, categorizes video games based on suitability for players
* Nielsen ratings
Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen rat ...
, measuring viewership of United States television programs
* Sports rating system, analyzes the results of sports competitions
Polling and opinion
* Rating (sociological group), a Ukrainian non-governmental polling organization * United States presidential approval rating, the percentage of respondents to an opinion poll who approve of a president *Reputation system
Reputation systems are programs or algorithms that allow users to rate each other in online communities in order to build trust through reputation. Some common uses of these systems can be found on E-commerce websites such as eBay, Amazon.com, ...
, programs that allow users to rate each other in online communities
Technology and engineering
*Rating (electrical) 
Fire-resistance rating, the duration for a passive fire protection to withstand a standard fire resistance test
*
Cetane rating
Cetane number (cetane rating) is an indicator of the combustion speed of diesel fuel and compression needed for ignition. It plays a similar role for diesel as octane rating does for gasoline. The CN is an important factor in determining the ...
, an indicator of the combustion speed of diesel fuel and compression needed for ignition
* Octane rating, a standard measure of the performance of an engine or aviation fuel
* Performance Rating
The PR (Performance Rating, P-rating) system was a figure of merit developed by AMD, Cyrix, IBM Microelectronics and SGS-Thomson in the mid-1990s (Cyrix announced it in February 1996) as a method of comparing their x86 processors to those ...
, formerly a method of comparing x86 computer processors
* Power rating, in electrical or mechanical engineering, the highest power input allowed to flow through particular equipment
Other uses
* Rating (chess), estimate of the strength of a player, based on performance versus other players **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. It is named after its creator Arpad Elo, a Hungarian-American physics professor.
The Elo system was invented as an improved ...
, a rating system used in chess and in other sports and games
* Rating (clinical trials)
Within the field of clinical trial
Clinical trials are prospective biomedical or behavioral research studies on human subject research, human participants designed to answer specific questions about biomedical or behavioral interventions, inclu ...
, the process by which a human evaluator subjectively judges the response of a patient to a medical treatment
* Rating (wine)
A wine rating is a score assigned by one or more wine critics to a wine tasted as a summary of that critic's evaluation of that wine. A wine rating is therefore a subjective quality score, typically of a numerical nature, given to a specific bott ...
, score assigned by one or more wine critics to a wine
* Rating site
A review site is a website on which reviews can be posted about people, businesses, products, or services. These sites may use Web 2.0 techniques to gather reviews from site users or may employ professional writers to author reviews on the topic ...
, a website designed for users to vote on or rate people or content
* Naval rating, an enlisted member of a navy or coast guard defined by rank and job description.
* Health care ratings
Health care ratings are ratings or evaluations of health care. In the United States they have been an increasingly used tool to try to drive accountability among health care providers and in the context of classic supply/demand
In economics, d ...
, evaluations of health care
* 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 ...
- an historic method to classify ship by how heavily armed they are. Applied to other navies vessels as a comparisor.
See also
* * *Rate (disambiguation)
Rate or rates may refer to:
Finance
* Rates (tax), a type of taxation system in the United Kingdom used to fund local government
* Exchange rate, rate at which one currency will be exchanged for another
Mathematics and science
* Rate (math ...
* Television ratings (disambiguation) Television ratings may refer to:
* An audience measurement
Audience measurement measures how many people are in an audience, usually in relation to radio listenership and television viewership, but also in relation to newspaper and magazine ...
* Grade (education), standardized measurements of varying levels of achievement
* Star (classification), symbols often used for ratings
* Likert scale
A Likert scale ( , commonly mispronounced as ) is a psychometric scale commonly involved in research that employs questionnaires. It is the most widely used approach to scaling responses in survey research, such that the term (or more fully th ...
, a psychometric scale commonly involved in research
* Parental Advisory, a warning label placed on audio recordings in recognition of excessive profanities or inappropriate references
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