Agile teams are often faced with a dilemma: how much process is the right amount of process for us? There's no right answer, of course, and the closest thing to a right answer can change as often as you change your socks, which, for the sake of your teammates, I hope is pretty often.

The amount of process your team needs to succeed is influenced by a variety of factors, such as team size, team skill, honesty and trust, management style, your product domain, your team's understanding of the product domain, access to your customers, and much more. There are too many factors and variables to even consider coming up with a formula, so experiment -- try doing some new things, try not doing some old things, and see what happens.