Anthony's Parents Ask Him to Turn His Stereo Down and He

Multiple Choice

Anthony's parents ask him to turn his stereo down and he does.Several minutes later they come to his room to ask him why he has not turned the noise down.Anthony claims it is much lower now, but his parents don't seem to be able to hear the difference.Based on research conducted by psychophysicists, you should conclude that compared to his parents, Anthony has:

A) a higher adaptation level for sound
B) a lower difference threshold for sound
C) a lower absolute threshold for sound
D) a higher absolute threshold for sound