In the Fisher-Price Photo Above,a Researcher Watches a Young Child

In the Fisher-Price photo above,a researcher watches a young child play with his toys.This is an example of

A) the use neuromarketing data to alter or improve a consumer's behavior.
B) the use of secondary data to alter or improve a consumer's behavior.
C) a researcher collecting observational data to use in future marketing actions.
D) the use of personal interviews to collect subjective but essential information necessary to make informed marketing decisions.
E) a researcher collecting psychographic information to use for potential changes in target markets.