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Signal Detection Lab

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LAB REPORT: SIGNAL DETECTION 2 Basic Questions 1. Define the following terms in relation to signal detection theory: hit, miss, false alarm, and correct rejection. A hit is when the participant co... rrectly detects the target. A miss is when the target was there, but the participant did not detect it. A false alarm is when the participant reports seeing the target when it was not actually there. A correct rejection is when the participant correctly reports that the target was not present. 2. Compare your individual sensitivity measures for each of the three conditions with those of the global average. Are your sensitivity measures higher or lower than the global average? What does this mean? My summary data: Detection Measures Number of Dots d' C Hits False Alarms Correct Rejections Misses 144 6.626 -0.987 1.000 0.000 1.000 0.000 400 6.626 -0.987 1.000 0.000 1.000 0.000 1000 6.626 -0.987 1.000 0.000 1.000 0.000 Global summary data: Means based on data from 39578 participants. Number of Dots d' C Hits False alarms Correct rejections Misses 144 dots 5.817 -1.148 0.990 0.073 0.927 0.010 400 dots 4.551 -1.058 0.960 0.166 0.834 0.040 1000 dots 0.929 0.097 0.614 0.324 0.676 0.386 [Show More]

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