Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Kadane, Joseph B. and Lewis, Gordon H. and Leik, Robert K.",The distribution of participation in group discussions: an empirical and theoretical reappraisal . Comment on Kadane and Lewis,,Cowles Foundation for Research in Economics at Yale University,1970,Cowles Foundation paper,,,,https://cir.nii.ac.jp/crid/1130282271921680512