can find details of the box office of more recent movies at IMDb and Box
Office Mojo .
and newspapers measure their circulation (ie numbers of copies
sold). They are open about these figures - they have to be as these
are the numbers quoted to advertisers when negotiating the price of
the number of viewers and listeners for a TV/Radio programme or whole
station's output is a complex business. Generally, an audience research
agency (eg BARB) will select a sample of the population and monitor
their viewing and listening habits over the space of 7 days. The data
gained is then extrapolated to cover the whole population, based on
the percentage sample. It is by no means an accurate science and you
can find about some of the techniques used here .
The numbers obtained are known as the viewing figures or ratings .
Internet sites measure the hit rate of a page or site. Code
inserted into the site collects information on the number of visitors,
whether they are visiting for the first time or returning, and how many
other pages they visit within a site. This information is used to measure
the success of a site or page, and to calculate the rates charged for advertising.
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