Nicole is a vision scientist who conducts studies where people are presented with lines of different orientations.She documents how different those orientations need to be for people to perceive a difference.What do we call this type of research

A)  sensation
B)  signal-detection 
C)  psychophysics
D)  physiological psychology

Psychophysics

The scientific study of the relationship between stimuli and the sensations and perceptions they produce.

Vision Scientist

A researcher who studies the physiology of vision, visual processing, and perception.

Signal-detection

a psychological theory that aims to quantify the ability to discern between information-bearing patterns and random patterns that distract from the information.