Solution:Carl Popper, natural and social worlds include essential similarities and the purpose of science was in favor of corporal research strategy such as establishing normalization.
Supporting the 'incorporation method', Popper said that if there are two estimates in front of us on a subject, then we should choose the estimate for testing which is more likely to have 'execution'.
So that we can reach near the truth by making amended progressively. Popper has also supported realism and 'systemic individualism'.