Question

You and your family are part of a consumer panel, and each time you go to the grocery store, you give the sales clerk your id number. the research company tracks your purchases, as well as several other households' purchases, to determine the extent to which its clients' advertising works. what type of research are you participating in?

Answer 1

The answer is "Scanner research".
Scanner-Based Research refers to a framework which is used for gathering data from a single group of respondents by persistently checking the publicizing, advancement, and evaluating they are presented to and the things they purchase.