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

BIK Municipality Size Classes

The BIK municipality size classes are a model for classifying municipalities by the number of inhabitants in the respective BIK region (revised Boustedt Urban Regions Model, Boustedt Classes). They serve as the basis for stratifying the sampling system (ADM Sampling System) of GfK.

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