Ford Motor Company Surveyed 10,000 Customers to Analyze Their Needs

Multiple Choice

Ford Motor Company surveyed 10,000 customers to analyze their needs and preferences in automobiles.At the end of the survey,respondents were asked to provide demographic information,including age.Responses concerning preferences were strikingly similar for each group within a specific five-year age range.This result is an example of the _____ effect.

A) income
B) life cycle
C) cohort
D) Hafner's