In a signal-detection experiment, Frank, the participant, has a very casual attitude and tends to say, "Yes, I hear the tone" most of the time, even when he is in doubt. What will this lead to?
A) an increase in the number of hits
B) an increase in the number of false alarms
C) the researcher's disregard of Frank's data
D) both a and b

Question

Quizplus · Accepted Answer

Frank's casual attitude and tendency to say "Yes, I hear the tone" even when in doubt will lead to an increase in the number of hits (correct detections) because he is more likely to say he hears the tone when it is present. However, this approach also increases the number of false alarms, which occur when he says he hears the tone even though it is not present.

In a Signal-Detection Experiment, Frank, the Participant, Has a Very