Flash Cards- POINT 49 FOR PEOPLE TO PAY ATTENTION TO SOMETHING, THEY MUST FIRST PERCEIVE IT

Question	Answer
What is signal detection theory?	Detection theory or signal detection theory is a way to measure the ability to differentiate between information-bearing patterns called stimulus in living organisms and random patterns that distract from the information or "noise" consisting of background stimuli and random activity of the nervous system.
You are standing at a high point in complete darkness, can you see a burning candle 30 miles away?	Yes, because all other background stimuli is muted.
Your watch is ticking but you are worried about getting something to eat, will you hear the watch ticking while feeling hungry?	Possibly not because you are extra focused on getting food to eat, you may miss the stimuli associated with the watch because it is less important.
What is "noise" in signal detection theory?	Noise is all the extra stimuli present that the person doing the detecting is not looking for.
What is "a hit" in signal detection theory?	When a person properly identifies the stimuli they are looking for.
What is "a miss" in signal detection theory?	When a person improperly identifies the stimuli they are looking for.
What is "a correct rejection" in signal detection theory?	Properly rejecting something you intend to reject.
What is "a false alarm" in signal detection theory?	When you accept something you should have rejected.

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	Created by Jesus Zepeda about 4 years ago