You have observed that every time you do 30 minutes of cardio exercise before taking an exam you get an A. You therefore conclude that to get an A on an exam, all you have to do is 30 minutes of cardio exercise before you take an exam. You have committed the
A) fallacy of logic.
B) fallacy of inductive reasoning.
C) post hoc, ergo propter hoc fallacy.
D) fallacy of division.

Question

Quizplus · Accepted Answer

This is an example of the post hoc, ergo propter hoc fallacy, which assumes that because one event follows another, the first event must be the cause of the second. In this case, concluding that doing 30 minutes of cardio exercise directly causes one to get an A on an exam is a flawed assumption based on the sequence of events rather than proven causation.

You Have Observed That Every Time You Do 30 Minutes