Friedman, Hershey H.; Arenstein, Neil - In: Journal of Consumer Marketing 1 (1984) 1, pp. 46-48
Two methods for increasing the rate of response to mail surveys were tested: (1) the inclusion of a pen as a premium and (2) adding the postscript, “P.S. Please respond. Even answering two questions will help.” The results indicated that the pen premium did not result in a significant...