A man 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 .

absolute thresholds

Explanation:

The procedure is most similar to that used by researchers who are studying absolute thresholds. Researchers studying these try to detect the exact level in which a certain stimuli first creates a triggered response from the subject in question. This stimuli can be anything, including sound waves just like they are being studied in this scenario. The man is being tested in order to detect what is the minimum level of sound that triggers a response from the man or in other words at what sound level he begins to be able to hear the sound.

answer; i believe the answer is (b) fascism;