Popper theory of falsifiability
Popper argues that the theories can be purely scientific or false if the exiting principles can genuinely establish the approach. Popper rejects the inductive method that scientist uses in empirical theories or basis that observations can be disconfirmed and perfectly scientific theory does not need confirmation from observations. Disconfirming the theory makes it a false approach. A scientific theory should possess a high degree of disconfirmation from a set of well-designed experiments. The purpose of using empirical studies in scientific theory is because the later requires substantive proof for it to hold in a broader context.
Popper assumes that some disciplines cannot be justified empirical, and as a result, their theories have no disconfirmation. He gave out the example of physics, maths, and astrology as they do not possess the empirical characteristics. Generally, this criterion does not hold in the practical world since the elements can be disconfirmed.