%0 Journal Article %J Longit Life Course Stud %D 2011 %T Proxy interviews and bias in the distribution of cognitive abilities due to non-response in longitudinal studies: a comparison of HRS and ELSA. %A David R Weir %A Jessica Faul %A Kenneth M. Langa %B Longit Life Course Stud %I 2 %V 2 %P 170-184 %8 2011 May %G eng %N 2 %1 http://www.ncbi.nlm.nih.gov/pubmed/25360159?dopt=Abstract %4 Cognitive ability/Methodology/longitudinal Studies/proxy interviews/proxy interviews/ELSA_/cross-national %$ 62761 %R 10.14301/llcs.v2i2.116