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.Based on signal detection theory,the fact that Joan thought she detected a baby's cry would be considered
A) a false alarm.
B) a correct rejection.
C) a hit.
D) a miss.

Question

Quizplus · Accepted Answer

A false alarm is when a person perceives a signal that is not actually present. In this case, Joan thought she heard a baby's cry, but there was no actual cry from the baby. This fits the definition of a false alarm in signal detection theory.

Joan Was Sitting Talking with Some Friends When She Suddenly