Question

A mother tells her teenage son to turn down his music. the son tells his mom that he will do so and turns the volume down slightly. a minute later, the mother cannot tell that her son complied with her request, so she yells at him. apparently, the decrease in volume did not meet the mother's:

Answer 1

the answer is 15 on edg

Answer 2

Difference threshold.

Step-by-step explanation:

Difference threshold is a noticeable change in stimuli that a person is able to detect at a point in time. The mother did not notice/detect any reduction in volume as claimed by the son so she had to yell at him.