1. and (1988), “A Conjoint Investigation of the Relative Importance of Risk Relievers in Direct Marketing,” Journal of Advertising Research, (August/September), 38–44.
2. (1960), Consumer Behavior as Risk Taking, in Dynamic Marketing for a Changing World, (ed.), Chicago: American Marketing Association, 389–398.
3. Perceived Risk and Its Components: A Model and Empirical Test
4. and (1957), Experimental Designs, New York: Wiley.