A security guard is tasked with monitoring a bank's surveillance cameras for any signs of unauthorized entry. The guard must decide whether a faint movement on screen is a genuine intruder or merely a shadow. In the context of signal detection theory, which of the following outcomes represents a 'miss' for this scenario?
Show answer and explanation
The answer
Correct answer: C. The security guard fails to notice an actual intruder who successfully enters the bank.
Tested concept: Signal detection theory
Explanation
In signal detection theory, a 'miss' occurs when a signal is present but the observer fails to detect it. In this scenario, the signal is an actual intruder. If the guard fails to notice this intruder, it is considered a miss. A 'hit' is when the signal is present and detected (correctly identifying an intruder). A 'false alarm' is when no signal is present but one is detected (reporting a tree branch as an intruder). A 'correct rejection' is when no signal is present and none is detected (correctly identifying a shadow as not an intruder).
io-med tracks every answer and builds your next set around the topics you miss.
Card required, nothing charged today. Then from $33/mo, auto-renews unless you cancel. Cancel in one click from Settings.