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


Injection is a method for filling in missing data, usually due to survey questions not being answered. For example, an injection is carried out to fill in missing information about panel members after the completion of the annual Structural Survey in the AGF Panel. A mathematical algorithm is used to find the most similar-possible persons/households whose characteristics can then be transferred to the persons/households whose characteristics are lacking.

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