Marketing managers at a cosmetic company wanted to find out how resistant their product is to smudging. They hired a research firm to ask 293 women who were wearing the company's StayColor line of cosmetics to rub their cheeks against their shirts using "the pressure they use when caressing someone else's face." The company was conducting ________.
A. custom research
B. ethnography
C. secondary research
D. case study research
E. syndicated research
