Six Thinking Hats
Book Summaries - You Exec - A podcast by You Exec

Most leaders and managers are familiar with meetings that aren't as productive as they should be. By using “parallel thinking,” where participants focus on one part of a discussion at a time, productivity is increased. This method uses the analogy of different colored hats to represent six modes of thinking. By having everyone wear the same color “hat” at the same time, it creates a group focus with a single point of view.