Maddie Is Sitting Outside the Grocery Store and Recording What

Maddie is sitting outside the grocery store and recording what people do with their shopping carts after emptying them. She is gathering information on customer behaviors in order to determine how to make it easier for them to shop at this particular store. Maddie is in which step of the marketing research process?

A) taking action
B) data collection
C) plan development
D) problem definition
E) data analysis