TV Audience Measurement
Terminology
- Daily Reach
- Audience reached by a channel during a day, people who have watched the channel for at least one minute. 
- Establishment Survey
- A postal survey to study TV-related variables in Finland. Also used to recruit households to the Television audience measurement panel. 
- Estimate
- Rating (in 1000 viewers) for a minute, spot, break or program. For any blocks lognger than one minute the estimate is the average of minute estimates. 
- Frequency
- The average number of times that members of a target aurience have been exposed to a campaign. 
- GRP
- Gross Rating Point. 
- Minute Audience
- Audience for one minute, the smallest unit measured in the TAM survey. 
- Minutes Per Head
- Time of Viewing proportional to the whole population. 
- Net Reach
- Number of different people reached by a program or a campaign. Can be represented either in thousands or in percents. 
- Profile
- Target Group's share of total program audience. 
- Programme Audience
- The average minute audience of a program. 
- Rating
- Audience proportion of total demographic population. 
- Reached Audience
- Number of people who have watched the channel for at least one minute. Usually calculated as daily or weekly reach. 
- Share
- Channel's share of total TV viewing during a program or time interval. 
- Target Group
- Demographic group being analyzed. 
- Timeshift viewing
- Live audience = The audience to a minute, commercial, daypart or programme at the time of its transmission. - Vosdal audience = The audience to a minute, commercial, daypart or programme viewed on the same day as live. - Live + Vosdal = Overnight report - Timeshift audience = The playback audience to a PVR recording of a minute, commercial, daypart or programme. The recording must be played back within 7 days of the original transmission to be counted into the ratings. - Consolidated = The consolidated audience is the sum of the live and timeshift audiencies. Final report, official ratings. 
- TRP
- Target Rating Point = GRP for a target group. 
- TV Audience Measurement
- The system for measuring television audiences. 
- Universe
- The total population as defined by demographic, geographic or other criteria. 
- Validation
- A telephone interview to validate the panel households' presence button use. 
- Weekly Reach
- Audience reached by a channel during a week, people who have watched the channel for at least one minute. 
 

