Critical thinking can be learned, but it is quite difficult. Critical thinking is learned through a specific process of self-improvement called deliberate practice and it can take a long time to master it.
Can you teach analytical thinking?
Can we teach critical thinking? Yes, but with certain limitations. Even within a single domain critical thinking is a complex, higher-order skill that is hard to learn and even harder to transfer across domains.
Is critical thinking natural or learned?
Critical thinking is a learned ability that must be taught. Most individuals never learn it. Critical thinking cannot be taught reliably to students by peers or by most parents. Trained and knowledgeable instructors are necessary to impart the proper information and skills.