Can you believe what people say about their wants and wishes? (Part I)

A scientific study (Horsky D., Nelson P., Posavac SS. Stating Preference for the Ethereal but Choosing the Concrete: How the Tangibility of Attributes Affects Attribute Weighting in Value Elicitation and Choice. Journal of Consumer Psychology, 2004, Vol. 14, No. 1&2, Pages 132-140) compared the attractiveness of five sporty car attributes calculated using answers provided in a market research study (what people say), and the attractiveness of the same five attributes derived from the actual buying behavior of the car buyers (what people do). The five attributes were Performance, Dependability, Comfort, Prestige, and Exterior Styling.

The relative attractiveness of the performance, dependability, comfort, prestige, and exterior styling attributes calculated using the answers in the market research study were 0.13, 0.22, 0.13, 0.16, and 0.20. The relative attractiveness of the same five attributes calculated using the real behavior in the marketplace were 0.24, 0.21, 0.13, 0.00, and 0.19 (note the change in values marked with bold letters).

According to the authors: