Tema: Which branch of Philosophy is Epicureanism vs. Stoicism related to?

Metaphysics, Epistemology, Values or Logic? I have to write a paper about 2 philosophers who have different views on the same subject. I have related my choice of philosophers to Psychology, since thats my major, and I dont know what to put down for which branch of Phi this is related to... I am writing on Epicureanism vs. Stoicism, even though they are closely related, I have already explained to my instructor what I am doing and he has ok'd it. So... which should I say that my paper relates to?

The two schools you cite are mainly used in the field of ethics, so that would mean values first and foremost, neither of these two materialist schools delved into metaphysics, they did use and argue epistemology, but not being numerically based did not establish their conclusions by the use of logic. They differed with each other on the nature of Good and Evil, and subjective vs, objective knowledge. Epicureans looked more to opinions and tastes, Stoics looked more to duty and outcomes.