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February 27, 2003 Measurement News PRtrak
Adds Internet Data Three
New Measurement Publications
CARMA
Ranks Companies Most favorable:
Least favorable:
comScore
Media Metrix Erred in Measuring Web Use comScore estimates Web audiences by projecting the behavior of a panel of presumably representative users. The biggest differences come in its estimates of Web use at the workplace, because large companies in particular do not want employees to install the software that the ratings companies use to track Web site usage. When comScore adjusted its formulas to account for the underrepresentation at big companies, its audience projections increasedin some cases, sharply:
In a related
story, comScore Media Metrix analysis revealed that 7.9 million at-work
Internet users visited “personals” Web sites in December
2002, accounting for 35 percent of all time spent at the sites. These
workplace visitors spent an average of 51 minutes at the category, compared
to 37 minutes by at-home visitors. |
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