The Chinese proverb "heal a headache by curing the head and heal foot pain by curing the feet" alludes to ineffective work resulting from a lack of covariation in reasoning. Actually, much problem solving relies on the analysis of how two or more factors vary in correlation with another related variant (i.e., covariation reasoning). To…

Critical thinking (CT) is a metacognitive process, consisting of a number of sub-skills and dispositions, that, when used appropriately, increases the chances of producing a logical solution to a problem or a valid conclusion to an argument. CT has been identified as a fundamental learning objective of third-level education; however, students…