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.