The effect of sample size on model error is examined through several commercial data sets, using five trade-off techniques: ACA, ACA/HB, CVA, HB-Reg and CBC/HB. Using the total sample to generate surrogate holdout cards, numerous subsamples are drawn, utilities estimated and model results compared to the total sample model. Latent class analysis is used to model the effect of sample…
Good, fast, cheap. Pick two.” I first heard that phrase when a friend of mineˡ used it to describe the dilemma that faces every researcher when designing or purchasing a marketing research project. But Web-based marketing research studies are fundamentally and permanently changing the role marketing research will play in future businesses. Good, fast, cheap. Pick two? Not any more….
I would like to thank Larry Gibson for his provocative article, What’s Wrong With Conjoint Analysis? Larry makes a valid point, namely, that self-explicated scaling is largely overlooked even though it appears to have valuable potential as a research tool. However, Larry, in his zealous evangelizing of the merits of self-explicated scaling, has frequently and incorrectly criticized conjoint analysis. Further,…
Market research is not only a waste of money, it is also a waste of time and human resources. Market research causes product launch dates to slip and new product champions to have ulcers. It makes entire organizations tentative, indecisive. It inspired the phrase “analysis paralysis.” And that’s the good news. The bad news is that every dollar spent on…
Prior to founding MACRO, Mr. McCullough was the senior vice president for a leading international strategic consulting and design research firm. Before that, he was market research manager for a $300 million division of Levi Strauss & Company.
Mr. McCullough has spoken before the American Marketing Association, the Marketing Research Association and various universities on a wide range of marketing topics. He is a past board member of the American Marketing Association, San Francisco chapter, and has been quoted in Canadian Packaging Magazine. He has chaired and lectured at applied multivariate statistics seminars for several years and is a member of numerous professional associations.