1. According to the reading, what is psychological egoism and how does it differ from ethical egoism?
2. Had you heard of psychological egoism before? Did it strike you as plausible before (or when you first heard of it)? Which of the (prima facie) reasons in favor of psychological egoism do you think is strongest? Can you think of other reasons to think the view might be plausible? Which are they?
3. Pick one of Feinberg's responses. Explain what it says and why it constitutes a criticism of psychological egoism. Do you find that criticism convincing? Explain why or why not? What do you think about psychological egoism after all this?
Article: JOEL FEINBERG by Joel Feinberg (1926-2004) was Professor of Philosophy