The summer intern in your department asks you how consumer panel data will be collected during the…

➤ What is consumer panel data and why use it in test marketing?
Consumer panel data are repeated observations of the same households or individuals collected over time. Panels combine purchase behavior, receipts or scanner data, and attitudinal surveys. They show trial, repeat purchase, penetration, and usage patterns during test marketing. This longitudinal view helps forecast sales, estimate market share, and validate real-world demand beyond one-off responses.