An Internet site's address on the World Wide Web is:

An experiment about noise levels with female clerical workers demonstrated that the workers exposed to noise

a. increased their productivity levels. b. capitalized more on ergonomic features of their work furniture. c. experienced inner-ear damage. d. developed high levels of stress hormones in the blood.

The three types of research approaches a marketer may use are ________, ________, and ________.

A. surveys; observations; historic reviews B. observations; surveys; databases C. observations; experiments; surveys D. experiments; databases; surveys