The Three-Step Test-Interview (TSTI): An observation-based method for pretesting self-completion questionnaires
The Three-Step Test-Interview (TSTI): An observation-based method for pretesting self-completion questionnaires
T. Hak,K. Veer,Harrie A M Jansen
2008 · DOI: 10.18148/SRM/2008.V2I3.1669
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