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@article{ Kott2019, title = {A Partially Successful Attempt to Integrate a Web-Recruited Cohort into an Address-Based Sample}, author = {Kott, Phillip S.}, journal = {Survey Research Methods}, number = {1}, pages = {95-101}, volume = {13}, year = {2019}, issn = {1864-3361}, doi = {https://doi.org/10.18148/srm/2019.v1i1.7222}, abstract = {We use a web-and-mail survey on attitudes towards and use of marijuana to demonstrate how a web-recruited cohort could be integrated into an address-based sample using a calibration-weighting procedure in the software language SUDAAN 11®. A Holm-Bonferroni procedure is employed to test whether a pivotal assumption underlying the integration is supported by the data for individual survey items as well as for the survey as a whole. Delete-a-group jackknife weights for the integrated sample are then developed.}, keywords = {Online-Befragung; online survey; Stichprobe; sample; Gewichtung; weighting; Umfrageforschung; survey research}}