The problem of free will is one of the most intractable in the history of philosophy. Philosophers worry that there can be no free will in a determined world. The aim of this dissertation is not to attempt to solve this problem but to address two problems with deterministic thinking. A finding from recent work in psychology is that people with a strong belief in determinism or disbelief in free will tend to be more aggressive, less helpful, less likely to learn from guilt, and less productive and satisfied at work than those who do believe in free will (or don't believe in determinism). I will present several ways we might mitigate these effects, the most noteworthy of which involves an appeal to Tamar Gendler's notion of `alief'. I ar...