Research suggests that humans are biased, not-very-rational decision-makers. We believe we see things clearly when the evidence shows otherwise. Throw in a big dose of optimism, and it's easy to see how estimating software projects can be problematic. Our best hope is to construct diverse groups with varied viewpoints.

On any team, there are bound to be some differences. But even though work styles may differ from what you expect, they may not be problematic simply because they are different. Before making assumptions about what a teammate is doing or why, just ask to find out. Their differences may bring a helpful new perspective.

Many of us fire off correspondence to groups and distribution lists that include more recipients than necessary, and we overcommunicate without stopping to think about exactly what needs to be conveyed. Here are some ways organizations and teams can cope with the influx of information and communicate intentionally.