XYZ Marketing Research Is Testing How Customers React to a Proposed

XYZ Marketing Research is testing how customers react to a proposed advertising campaign for Go Fast Sports Cars.They have consumers sit in an MRI machine and monitor which areas of the brain are activated as the participants watch a series of commercials and print ads.They are using _______ to collect the data needed to solve the research problem.

A) Qualitative recording
B) Mechanical devices
C) Behavioral measures
D) Surveys
E) Focus Groups