
How customer surveys can affect customer purchase behaviors
Customer surveys exhibit a marketing version of the Heisenberg uncertainty principle: the act of surveying changes the customer being surveyed. Dholakia and Morwitz's HBR research tracked surveyed customers over two years and found they were three times more likely to open new accounts, half as likely to defect, and more profitable. Here's the effect, the explanation, and what it means for survey design.




