In order to determine brain efficiency,reaction times have been measured by which of the following techniques?
A) how long it takes people to press a key to make a choice regarding which line segment is longer
B) the amount of time between blinks of the eye when puffs of air make contact with the eye
C) the amount of parasympathetic nervous system activity shown following exposure to a surprise
D) how quickly a person can react to the presence of smoke in a room

Question

Quizplus · Accepted Answer

Reaction times are measured by timing how long it takes a person to respond to a particular stimulus or task. In this case, pressing a key to make a choice about line segment length is a common method for measuring reaction times.

In Order to Determine Brain Efficiency,reaction Times Have Been Measured