%0 Journal Article %T How Valid Are Product Descriptions and Protocols in Choice Experiments? %A Smead, Raymond, J. %A Wilcox, James, B. %A Wilkes, Robert, E. %J Journal of Consumer Research %V 8 %N 1 %P 37-42 %@ 0093-5301 %D 1981-06-01 %I University of Chicago Press %~ DeepDyve