Ok, thanks for answering! I guess one could map it very crudely so that the pessimist sees the alternatives as A = -10 and B = -8 and the optimist sees them as

Ok, thanks for answering! I guess one could map it very crudely so that the pessimist sees the alternatives as A = -10 and B = -8 and the optimist sees them as A = +4 and B = +6. Both estimate pairs will lead to the same action but the latter person will have a more positive outlook.