@article {9606, title = {Measuring Cognition in a Multi-mode Context}, year = {2018}, month = {05-2018}, pages = {1-48}, institution = {Survey Research Center, Institute for Social Research, University of Michigan}, address = {Ann Arbor, MI}, keywords = {Cognitive Ability, Mode effects, Survey Methodology}, author = {McClain, Colleen A. and Mary Beth Ofstedal and Mick P. Couper} }