Signal detection theory is the concept of using the intensity of a stimuli to detect the intensity and psychological state of a person.
Therefore, the reality that stress increases sensitivity to faint pain stimuli is important to a student's understanding of signal detection theory because attention is called to things based on their intensity.
C. Tara takes an asprin and her headache goes away, when she does a good behavior the bad is taken away which enforces her to take asprin again next time her head hurts
