Many companies have some notion of an ideal tester-to-developer ratio, or the number of testers they need for every certain number of developers. It may seem like a superficial standard, but it's rooted in a very real need to understand staffing requirements and budgets. Let's dig deeper into the team balance.

People typically think of training classes as passive activities, where the instructor talks and the others listen. But experiential learning, where you learn through hands-on activities and then reflect on the experience, often gets the lesson to stick in people's brains better. Consider using interactive lessons.

A so-called generative culture has all the characteristics necessary to support self-directed teams, shared responsibility, experimentation, and continuous process improvement. But what about the rest of us? Most large organizations don't have a culture where agile will take hold so easily. Here's what needs to change.