Cultural relativism involves specific epistemological and methodological claims. They discuss empirical, methodological, and ethical challenges. The field of cultural studies encompasses a range of theoretical and methodological perspectives and practices. Some anthropologists criticized Freeman on methodological and empirical grounds. There are conceptual and methodological limitations and variations in the findings. In addition to these methodological criticisms, conceptual issues are debated. The GDI and GEM faced much criticism for their methodological and conceptual limitations. Nochlin deconstructed art history by identifying and questioning methodological presuppositions. These assumptions from methodological naturalism form a basis on which science may be grounded. He discusses the basic methodological and metatheoretical principles for such a theory. Her conclusions were met with methodological criticism. Some of these studies were criticized for methodological problems. There may be methodological issues regarding the research. These studies have been subject to criticism on a number of methodological and logical grounds. " Methodological naturalism is thus "a paradigm of science.