Every Six Months,Doug Is Asked to Fill Out a Survey

Multiple Choice

Every six months,Doug is asked to fill out a survey which asks when he expects to buy a new vehicle and what type and model he plans to purchase.Doug,along with a group of consumers with similar buying habits,has been participating in this survey for the last eight years.The gathering of this quantitative data is an example of descriptive research using ________.

A) a hierarchical format
B) a cross-sectional design
C) latitudinal tracking
D) a longitudinal design
E) ethnography