The practice of physiognomy, as well as that of phrenology, have been summarily discredited by modern scientific research. As it turns out, the bumps on a person's head and one's facial characteristics give virtually no information about their personality characteristics. This is an important reminder of the importance of the critical thinking principle of Group of answer choices

falsifiability

Explanation:

Karl Popper came up with the Falsification Principle that focuses on the falsifying a scientific theory. According to this theory, a scientific method when is proven false, it can be considered to be a scientific and logical. No scientific theory can be universally uniform. There needs to be an exception that would turn the theory to be false. Popper was of the opinion that the rule of science is not just inclined to support the theory, but also to disprove certain theory.

the answer your looking for is c. : )