Explore different methods of thinking.
Critical thinking is the objective analysis of facts to form a judgment. Critical thinking is self-directed, self-disciplined, self-monitored, and self-corrective thinking. It entails effective communication and problem solving abilities, as well as a commitment to overcome our native egocentrism and sociocentrism.
SCAMPER is an acronym for seven thinking techniques that help those who use them come up untypical solutions to problems. The thinking techniques are so common to human creative behavior that it might be more accurate to call SCAMPER a mnemonic for the collection of techniques rather than a technique of its own.
The Six Thinking Hats method identifies six modes of thinking, which are meant to be directed in parallel at the problem at hand. This parallel thinking approach proactively discourages and replaces the argumentative approach in which members of a group advocate for opposing solutions.
This Theory is necessary for finding out root cause of any trouble in any system/machine. When you read it, you will appreciate the fact that no one has so far solved any trouble in any system/machine without inadvertant use of this method; which I have researched & documented meticulously.