Robert lightly taps the student sitting in front of him on the shoulder.The student doesn't notice,so Robert taps harder.The minimum pressure Robert must tap such that the other student notices half of the time is called:
A)the absolute threshold.
B)the just noticeable difference.
C)Weber's law.
D)the relative threshold.

Question

Quizplus · Accepted Answer

The absolute threshold is the minimum amount of stimulation needed for a person to detect a stimulus half of the time. In this scenario, Robert is trying to determine the minimum pressure needed for the other student to detect the tap half of the time, which aligns with the concept of the absolute threshold.

Robert Lightly Taps the Student Sitting in Front of Him