RachmanDavid J., and KempLinda J., “Profile of the Boston Discount House Customer,”Journal of Retailing (Summer, 1963), p. 2.
2.
For a discussion of these techniques, see: SiegalSidney, Non-Parametric Statistics for the Behavior Sciences (New York: McGraw-Hill Book Company, 1956) and W. W. Colley and P. R. Lohns, Multivariate Data Analysis (New York: John Wiley & Sons, Inc., 1971).
3.
“New Marketing Trends Mean Big Business for Health Foods,”Progressive Grocer (June, 1973), pp. 50–51.
4.
“The Perils of Eating, American Style,”Time (December 18, 1972), pp. 68–70.