GRE Psychology: Questions 72 - 75 of 437
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Question number: 72
Question number: 73
Question number: 74
In a laboratory experiment, subjects wear headphones and are tested individually. Each of 500 subjects is presented first with a light and then possibly with a low-intensity tone in the earphones. Subjects are instructed to push a button if they hear a tone. Subjects are rewarded with $10 for each hit. In 500 trials, 200 times a tone was presented, and 300 times a tone was not presented. One hundred and ninety tones were detected. Also, the button was pressed 270 times in response to no tone.
Which of the following describes the subjects’ overall performance?
10 misses and 30 false alarms
10 misses and 30 correct rejections