In the article written by Linda Elder and Richard Paul, articulates clear and concise models of the process of critical thinking. Their main point is that critical thinking is a skill that can be - and must be — taught. They believe that a thinking citizenry would change the world, and I have to agree.
Their outline of Intellectual Traits, the Elements of Thought, and universal Intellectual Standards are enough to begin. Yes, there are universal intellectual standards for “truth.” Learning them will help you in every endeavor.
Here is the mission statement for their organization: