Although research has shown that it takes approximately thirty minutes for an aspirin to have an effect on the body, most people report that their headaches begin to fade after only about ten
Minutes. What is the best explanation for this finding?

Question

Quizplus · Accepted Answer

The most likely explanation for this finding is the placebo effect, where the belief that a treatment (in this case, the aspirin) will work can produce a real physiological response, such as the reduction of pain. The subjects may not be consciously lying about their headache improving after ten minutes, but rather their belief in the treatment may be causing a placebo effect.

Although Research Has Shown That It Takes Approximately Thirty Minutes