In logic, arguments aren't described as true, rather, arguments are used to prove the validity of something.
Answer:
Accidental reinforcement
Explanation:
Accidental reinforcement occurs when a reinforcer casually concurs with a positive outcome, so the person associate the outcome with the reinforcer. This type of reinforcement is usually the source of superstitious behaviours.
In this case, Roger associated the fact of wearing green underwear to the good grade he got in his test, the green underwear was the reinforcer that casually concurs with the positive outcome which in this case was the good grade, so Roger started associating both and now he wears green underwear on test days.
The main point of the nuclear non-proliferation treaty was not spread the use of nuclear weapons so your best choice would be nuclear energy as a source of fuel was not to be allowed.
Yes, they should be allowed to wear symbols of Faith because that shows that they believe.