 | Up a level |
Krumpal, Ivar; Jann, Ben; Korndörfer, Martin; Schmukle, Stefan (2018). Item Sum Double-List Technique: An Enhanced Design for Asking Quantitative Sensitive Questions. Survey Research Methods, 12(2), pp. 91-102. European Survey Research Association 10.18148/srm/2018.v12i2.7247
