The document discusses Edward de Bono's Six Thinking Hats technique for parallel thinking and decision making. It teaches analyzing issues from different perspectives without argument. The technique involves assigning a "hat" or role to guide thinking about an issue from different angles such as facts, ideas, evaluation of pros and cons, feelings. It is presented as a way for school managers to create a caring learning environment by developing policies and procedures, teaching all students, knowing how to respond to issues, and constantly monitoring the intellectual environment.