Which of the following devices used in observation research measures pupil size?
A) Eye-tracking monitor
B) Pupilometer
C) Voice pitch analyser
D) Psychogalvanometer

Question

Quizplus · Accepted Answer

A Pupilometer is a device used to measure pupil size, while the other devices listed are used for different types of observations. An eye-tracking monitor records eye movements, a voice pitch analyser measures the pitch of someone's voice, and a Psychogalvanometer measures changes in electrical resistance on the skin, typically on the fingers.

Which of the Following Devices Used in Observation Research Measures