Accessible and reader-friendly this handbook promotes the curent overarching business philosophy of customer//market focus by emphasizing the need for market research to provide the insights required for making decisions. This book identifies such troubling current trends as biased sample answers on long questionnaires, and `professionals' whose job is to skew focus group responses. Top international researchers from both academia and practice have come together here to provide a broad range of ideas and applications.

Using Regression to Answer “What If”

Donald R.LehmannColumbia Business School

Regression analysis can be thought of in at least two ways. The classic view is .that it is a statistical procedure for relating one or more independent (predictor) variables (usually labeled as Xs) to a dependent (criteria) variable (usually labeled as Y). Under the ...

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