Dear all, My colleagues intend to survey consumers of agricultural products and do conjoint analysis using the results. Does anyone know how many samples they have to collect? Are there any essays on this issue? Regards, Jihei Kaneko -- Jihei Kaneko Associate Professor, Faculty of Agriculture, Kobe University Rokkodai, Nada-ku, Kobe-shi, Hyogo-ken, 657-8501 JAPAN Tel&Fax +81-(0)78-803-5839 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%