Aman has trouble hearing and is being tested for a hearing aid. he is presented with tones of various intensities and is asked to indicate whenever he detects a sound. the procedure is most similar to that used by researchers who are studying?
a. difference thresholds.
b. absolute thresholds.
c. the just noticeable difference.
d. response biases.

Answer is B. absolute threshold.

Explanation:

The minimum or smallest amount of energy , which is being required or needed by the human senses to detect stimulus [external] is known to be absolute threshold.

Note that, this external stimulus could be taste, smell, touch e.t.c. That is, the stimuli received by the sense organs.

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