Before you schedule or moderate another retrospective meeting, read this column by Esther Derby. Esther offers five tips that will help improve the productiveness of retrospective meetings. You'll also learn how letting the meeting participants run the conversation will solicit more feedback and ownership than traditional moderation methods.

Bob interviews Jon Stahl at the Agile 2008 conference.

There are two distinct roles in many software projects that are involved with testing: developers and testers. Should they take the same approach to testing, or are there some principles that apply to only one of the roles? What should they do to coordinate their work? Danny Faught went through an exercise to compare and contrast and found that the questions he couldn't answer were as interesting as the questions he could answers.

If you hear that someone doesn't have "both oars in the water," you know he's out of control, he doesn't "get it," or he's going in circles. Why? To move forward in a rowboat, you need both oars in the water to steer and to gain speed. In this week's column, Mary Gorman explains how this concept applies to modeling requirements.