Appreciation Index: Difference between revisions
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The '''AI''' or '''Appreciation Index''' is a statistical representation of the amount of enjoyment the audience derived from a particular episode of television. | The '''AI''' or '''Appreciation Index''' is a statistical representation of the amount of enjoyment the audience derived from a particular episode of television. Since ''[[Rose (TV story)|Rose]]'', it has been the method for measuring the tastes of the audience. Different methods were used during the 1963 version of the programme, and so "AI scores" are not compatible with [[Audience Appreciation]] numbers. | ||
An | An AI score is calculated using a small, but representative, group of viewers. This sample will watch a program and then rate the program on a scale of one to ten. The scores are then averaged and multiplied by ten. Hence, an AI of 67 means that 6.7 was the simple mean of all responses. Scores of 85 or better are rare, and thus considered "excellent". Scores below 60 are considered "poor". Scores for every episode of the [[BBC Wales]] version of the program — save ''[[The End of the World (TV story)|The End of the World]]'' and ''[[Love & Monsters]]'' — have been 80 or above. Every story since ''[[Smith and Jones]]'' has achieved at least an 85 until [[Victory of the Daleks]], scoring 84 making it almost 3 years of 85 AI. The highest-ever AI for a ''Doctor Who'' episode was a 91, received by both ''[[The Stolen Earth]]'' and ''[[Journey's End]]''. | ||
Determining "appreciation" was the original method for registering the success or failure of radio and television programs in [[Britain]]. It has been employed by the [[BBC]], in some form, since [[1936]]. With the advent of commercial television, however, advertisers wanted to know ''how many'' people were watching. Ratings — a measure of the raw number of viewers in front of television sets — supplanted the AI as the primary measure of televised success. However, as the BBC is not a commercial enterprise, the AI still retains importance in determining the fate of television programs on the networks of the BBC. | |||
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[[Category:Terminology]] | [[Category:Terminology]] | ||
Revision as of 14:18, 16 July 2013
The AI or Appreciation Index is a statistical representation of the amount of enjoyment the audience derived from a particular episode of television. Since Rose, it has been the method for measuring the tastes of the audience. Different methods were used during the 1963 version of the programme, and so "AI scores" are not compatible with Audience Appreciation numbers.
An AI score is calculated using a small, but representative, group of viewers. This sample will watch a program and then rate the program on a scale of one to ten. The scores are then averaged and multiplied by ten. Hence, an AI of 67 means that 6.7 was the simple mean of all responses. Scores of 85 or better are rare, and thus considered "excellent". Scores below 60 are considered "poor". Scores for every episode of the BBC Wales version of the program — save The End of the World and Love & Monsters — have been 80 or above. Every story since Smith and Jones has achieved at least an 85 until Victory of the Daleks, scoring 84 making it almost 3 years of 85 AI. The highest-ever AI for a Doctor Who episode was a 91, received by both The Stolen Earth and Journey's End.
Determining "appreciation" was the original method for registering the success or failure of radio and television programs in Britain. It has been employed by the BBC, in some form, since 1936. With the advent of commercial television, however, advertisers wanted to know how many people were watching. Ratings — a measure of the raw number of viewers in front of television sets — supplanted the AI as the primary measure of televised success. However, as the BBC is not a commercial enterprise, the AI still retains importance in determining the fate of television programs on the networks of the BBC.
