Culture drives performance, and agile leaders set a team's culture, so leaders should be measured at how effectively they’re doing just that. The challenge is, what might that look like? Here’s an idea for a four-quadrant measurement approach for leaders' organizational and personal effectiveness in agile contexts.

To be most agile with your communication, understand several models of learning styles, where you fit into them, and where your team fits into them. By tweaking the ways you communicate to fit the information and the situation, you are helping your team remain agile by valuing people and interactions over processes.

With API testing, if you change how the API works—even if it now works better—it will break all of the code written by people using the API. Consequently, testers have a responsibility to make sure they are testing the same contract that was established when the API was first released. Here's how to test APIs right.