Systems are too complex for one person to remember everything and perform consistently overtime. Humans who are experts have a fallacy in which they believe because they are experts who have performed a task many times that they are immune from mistake. Often times our brains skip and over look simply but necessary steps in order take a stab at the complexity of the situation. This is exactly where the need for checklists come into play. A well organized concise checklist can absolutely make an impact in a complex process. It allows people to free their minds of the mundane and rely on an ordered set of instructions to keep them honest and keep them moving in the right direction. Additional points on this is that communication is paramount, the author notes that when people introduce themselves and their role on the team communication amongst the group becomes easier as everyone knows each others names, this elevated communication can absolutely improve the performance of the team