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12 October, 21:15

In signal-detection research, occasionally a subject will report detecting a signal even in the signal's absence. What is this called?

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  1. 12 October, 22:40
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    False alarm

    Explanation:

    In an experiment in the field of signal detection it is the task of the observer to discern the existence of a stimulus. In other words to detect a stimulus in the midst of background noise.

    When there is signal (stimulus) present but the person does not detect it is known as a miss.

    When there is no signal (stimulus) and the person says there is one it is known as false alarm.
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