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@article{ Cornesse2020,
title = {Response Quality in Nonprobability and Probability-based Online Panels},
author = {Cornesse, Carina and Blom, Annelies G.},
journal = {Sociological Methods & Research},
pages = {1-30},
year = {2020},
issn = {1552-8294},
doi = {https://doi.org/10.1177/0049124120914940},
urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-74631-7},
abstract = {Recent years have seen a growing number of studies investigating the accuracy of nonprobability online panels; however, response quality in nonprobability online panels has not yet received much attention. To fill this gap, we investigate response quality in a comprehensive study of seven nonprobability online panels and three probability-based online panels with identical fieldwork periods and questionnaires in Germany. Three response quality indicators typically associated with survey satisficing are assessed: straight-lining in grid questions, item nonresponse, and midpoint selection in visual design experiments. Our results show that there is significantly more straight-lining in the nonprobability online panels than in the probability-based online panels. However, contrary to our expectations, there is no generalizable difference between nonprobability online panels and probability-based online panels with respect to item nonresponse. Finally, neither respondents in nonprobability online panels nor respondents in probability-based online panels are significantly affected by the visual design of the midpoint of the answer scale.},
keywords = {Bundesrepublik Deutschland; Federal Republic of Germany; Antwortverhalten; sample; probability; Panel; online survey; response behavior; Stichprobe; Online-Befragung; Wahrscheinlichkeit; panel}}