The nature and rationality of conversion

We can differ in our beliefs, values, interests, goals, preferences and moral psychologies. How we see things can be different. But in none of these respects is our thinking fixed. Beliefs, value, preferences, moral psychology and so on can change. And sometimes the change can be significant enough to warrant talk of a conversion. The aim of this paper is then to investigate the nature and rationality of conversion. What is it to undergo a conversion? What practical or epistemic justification can be given of conversion?