Mechanical Devices Are Occasionally Used in Marketing Research

Multiple Choice

Mechanical devices are occasionally used in marketing research. For example, ________ flashes an ad to a subject with an exposure interval that may range from one hundredth of a second to several seconds. After each exposure, the respondent describes everything he or she recalls.

A) an audiometer
B) the galvanometer
C) an eye-tracking camera
D) a tachistoscope
E) a pupilometer