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

Net cumulation

Net cumulation refers to a method of cumulation and frequency analysis in which viewer growth is calculated across several programmes by means of net combination. Either the 0/1 method or the p-value method can be applied for calculating the performance values. Unlike summation of contact total, the persons included in net cumulation are only counted once in the calculation, regardless of how many programmes on the programme list they have watched.

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