Salas, H. 2011. Investigación Cuantitativa (Monismo Metodológico) y Cualitativa (Dualismo Metodológico) Cinta moebio 40: 1-21


Quantitative Research (Methodological Monism) and Qualitative Research (Methodological Dualism): The epistemic status of the findings in the social disciplines

Dr. Héctor Salas ( Facultad de Contaduría y Administración, Universidad Nacional Autónoma de México (México)


This essay analyses the positions which are related to the quantitative and qualitative research models in the social disciplines; it examines the universality and invariance of scientific laws; and it presents the inadequacy of the conceptions of logical positivism and of classical epistemology, as well as the new concepts and two of the models which arose there from. Then, based on this it evaluates the epistemic status of research findings from both models, the scientific status of the disciplines and their theories and the rationality of the agreements reached over research conclusions: the limitations of scientific laws show the plausibility of quantitative research, which can be associated with the epistemic values of truth, inter-subjectivity and susceptibility of replication, and its conclusions can be considered as genuine knowledge, though not those of qualitative research. But these philosophical notions leave open the controversy over the appropriate conceptions to explore the social phenomena.

Key words: methodological monism, methodological dualism, knowledge, scientificness, rationality.

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Cinta de Moebio
Revista de EpistemologĂ­a de Ciencias Sociales
ISSN 0717-554X