We have to resort to experimental methods to answer this, and so what we can do is actually bring people into the lab and disgust them and compare them to a control group that hasn't been disgusted.
Tenemos que recurrir a métodos experimentales para responder a esto, así que lo que podemos hacer es traer a la gente al laboratorio y provocarles asco y compararlos con un grupo control que no ha sentido asco.