Add to ORKGThe schools of natural science, especially since Newton, have continuously influenced the social science in two ways. As seen in the example of the systems theory or social Darwinism, many social scientists have got insights from the ideas of natural science. It is quite natural that a scientist discovers a new way of thinking or an implication from a different academic discipline; however, the mainstream social scientists have trapped themselves by confining their science with the methodology obtained from natural science in order to validate it. This paper aims to reveal this methodological trap of social science by showing the influence of natural science to social science in the context of validation and by contrasting the diffe...