Informed consent for paradata use in web surveys

Paradata are a valuable source of information to better understand the response process and to determine how the data collection processes can be improved.

Corresponding author:

Tanja Kunz, GESIS—Leibniz Institute for the Social Sciences, 68159 Mannheim, Germany. Email:


In survey research, the term paradatarefers to information that describes the process of survey data colle

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