Donald Hansel 
Critical Thinking Skills: Ultimate Tools and Exercises from Root Cause Analysis to Problem Solving 

Have you ever tried to solve a problem and create another problem? It happens because you did not use critical thinking. Critical thinking is the ability to make deliberate decisions by considering thoughtfully and thinking independently. With a focus on root cause problems, this ability helps you to avoid similar issues. In this book, we reveal the techniques and tools to improve your critical thinking i.e. problem definition, 5 why’s questions, 7 so what’s questions, 80/20 rule, and many more. We also provide guidance to avoid common mistakes of problem solving.Topics include:• Break down a problem into small ones• Find the problem statement• Raise focusing questions• Find root causes• Use critical thinking tools