Joan was sitting talking with some friends when she suddenly left the room to check on her baby.She was sure she heard little Emily cry out,but when she checked,Emily was sleeping peacefully.What would you call Joan's response based on signal-detection theory

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Quizplus · Accepted Answer

Joan's response is a false alarm because she perceived a signal (crying) when there was none. This is a common occurrence in signal detection theory where there is a high level of sensitivity towards detecting a signal, but it can also lead to false alarms in the absence of a signal.

Joan Was Sitting Talking with Some Friends When She Suddenly