On a clear,dark night,a person with normal vision can detect a candle flame 30 miles away 50% of the time.This illustrates the approximate _____ for vision.
A)just noticeable difference
B)relative threshold
C)psychophysical boundary
D)absolute threshold

Question

Quizplus · Accepted Answer

The ability to detect the candle flame 30 miles away at a certain level of intensity represents the person's absolute threshold for vision. The other choices do not accurately reflect this scenario.

On a Clear,dark Night,a Person with Normal Vision Can Detect