From A for AGF Videoforschung to Z for zapping, the most important technical terms in video research are explained here.

Viewing participation

Viewing participation (VP) indicates the average number of persons of a target group who have watched TV. Each person is counted as the percentage of the programme duration represented by their viewing duration (PIN). This quotient of viewing duration divided by programme duration is multiplied by the weight per person to arrive at the individual viewing participation. The sum of all individual viewing participations of all persons is the average viewing participation of the programme.

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