When Oscar Meyer first developed its Lunchables, the company researched the product with young children the targel market for Lunchables-at several elementary schools in Madison, Wisconsin near its headquarters. Marketing researchers observed these children eating the Lunchables and questioned them about their preferences, gaining valuable feedback about the "right" meats, cheeses, drinks, desserts, and condiments to include in the packets before launching the product nationally. This illustrates the use of
A.observation research.
B.ethnographic research.
C.virtual shopping
D.panel and scanner-based research.
E.none of these