The research investigates the relationship between frequency of purchase through direct mail and the purchase of products offered by mail. Although this relationship proved generally positive, in some instances a negative relationship was found. Two variables are proposed to explain these conflictin
Experimental design in direct mail and the application of Taguchi methods
β Scribed by Paul D. Berger; Thomas L. Magliozzi
- Publisher
- John Wiley and Sons
- Year
- 1993
- Weight
- 813 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0892-0591
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## FOUR FIGURES '44). The remainder of the eixperimental details were exactlp the same as previously described (Schrank, '48) with the following modification.