?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Estimating+Nonresponse+Bias+in+Mail+Surveys&rft.creator=Armstrong%2C+J.+Scott&rft.creator=Overton%2C+Terry+S.&rft.subject=Behavioral+Analysis&rft.description=Valid+predictions+for+the+direction+of+nonresponse+bias+were+obtained+from+subjective+estimates+and+extrapolations+in+an+analysis+of+mail+survey+data+from+published+studies.+For+estimates+of+the+magnitude+of+bias%2C+the+use+of+extrapolations+led+to+substantial+improvements+over+a+strategy+of+not+using+extrapolations.&rft.date=1977&rft.type=Journal+(Paginated)&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5205%2F1%2FEstimatingNonresponseBias.pdf&rft.identifier=++Armstrong%2C+J.+Scott+and+Overton%2C+Terry+S.++(1977)+Estimating+Nonresponse+Bias+in+Mail+Surveys.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5205%2F