New publication: Setting up a probabilistic online panel

The journal Field Methods publishes article by Annelies Blom, Christina Gathmann and Ulrich Krieger.

The peer-reviewed paper entitled "Setting Up an Online Panel Representative of the General Population: The German Internet Panel" has been published in the peer-reviewed journal Field Methods.

This paper looks into the processes and outcomes of setting-up and maintaining a probability-based longitudinal online survey, which is recruited face-to-face and representative of both the online and offline population aged 16 to 75 in Germany. This German Internet Panel (GIP) studies political and economic attitudes and reform preferences through bi-monthly longitudinal online interviews of individuals. The results presented here demonstrate that a carefully designed and implemented online panel can produce high-quality data at lower marginal costs than existing panels that operate solely in face-to-face mode. Analyses into the representativeness of the online sample showed no major coverage or nonresponse biases. Finally, including offline households in the panel is important as it improves the representation of the older and female segments of the population.

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