In a signal detection experiment,the value of d` is a function of
A)the observer's sensitivity and the magnitude of the stimulus.
B)the observer's decision criterion and the magnitude of the stimulus.
C)the observer's sensitivity and decision criterion.

Question

Quizplus · Accepted Answer

The value of d' (d-prime) in signal detection theory is a measure of an observer's sensitivity to the presence of a stimulus, independent of their decision criterion. It reflects how well the observer can distinguish signal from noise, based on the magnitude of the stimulus.

In a Signal Detection Experiment,the Value of D` Is a Function