| 摘要 |
A system ( 2 ) for measuring and recording user data in a communications network and associating the user data with demographic data of the user, the user being able to access a user computer processing means ( 6 ) having browser means ( 18 ). The system comprises data processing means ( 4 ) for receiving from the browser means a measurement record after the user accesses a part of the network having a portion of measurement code embedded therein. The data processing means determines from the received measurement record whether a survey identified by a survey identifier has been presented to the user. The system further comprises first electronic storage means ( 12 ) for receiving survey response data of the user and the measurement record of the user.
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