Well, if level is this mutable, it's not really useful. I.e. you couldn't use historical achievements as a predictor of someone's level. There are higher-level

Well, if level is this mutable, it's not really useful. I.e. you couldn't use historical achievements as a predictor of someone's level. There are higher-level attitudes like: "I won't commit to something I can't deliver / If I commit to something I will deliver" that may fall under your attitude categorization, and also correlate to the person's record.