Several patients are found to be allergic to peanut oil (X). X is the only food causing the patients to have a reaction (Y). And in every case in which X is eaten, the reaction (Y) occurs. This scenario reflects:
A) Mill's method of agreement
B) Hume's method of difference
C) The methods of agreement and difference used together
D) Technical Causation

Question

Quizplus · Accepted Answer

This scenario reflects the methods of agreement and difference used together because all cases of the reaction (Y) agree on the presence of the cause (X, peanut oil), and every time the cause is present, the effect (reaction Y) occurs, combining both methods to establish causation.

Several Patients Are Found to Be Allergic to Peanut Oil