News

Split Questionnaire Designs for Online Surveys: The Impact of Module Construction on Imputation Quality by Axenfeld, Blom, Bruch, & Wolf

Das German Internet Panel sucht ab sofort Verstärkung in den Bereichen Forschungs­unterstützung, Durchführung des GIP und Datendokumentation.

Measurement equivalence in probability and nonprobability online panels by Einarsson, Sakshaug, Cernat, Cornesse, & Blom

Measurement instruments for fast and frequent data collection during the early phase of COVID-19 in Germany: reflections on the Mannheim Corona Study by Cornesse et al.

Prof. Blom publishes paper on mobility data collection together with Anne Elevelt (Statistics Netherlands) and Jan Karem Höhne (University of Duisburg). Open access publication.

Together with an international group of researchers Prof. Blom publishes another paper from the Multinational Study of Questionnaire Design.

Memory Effects in Online Panel Surveys: Investigating Respondents' Ability to Recall Responses from a Previous Panel Wave by Tobias Rettig, Bella Struminskaya, and Annelies Blom

How does switching a Probability-Based Online Panel to a Smartphone-Optimized Design Affect Response Rates and Smartphone Use? By Barbara Felderer, Jessica M. E. Herzing, Christian Bruch, Ulrich Krieger, and Annelies G. Blom

„Inklusion von Menschen ohne Internet in zufalls­basierte Onlinepanel-Umfragen“ von Carina Cornesse und Ines Schaurer