Use of the Eye Camera in Marketing Research Is Based

Multiple Choice

Use of the eye camera in marketing research is based on which one of the following physiological findings?

A) Pupils tend to dilate when people are interested in a stimulus.
B) People tend to blink faster when they are emotionally aroused.
C) Pupils tend to contract when people are uninterested in a stimulus.
D) Emotional intensity is proportional to the amount of secretions from tear glands.
E) Peoples' eyes do not move smoothly along lines of type as they read.