Abstract

CASTILLA BARRAZA, Jaime Gabriel et al. Ontology of mixed research: an analysis from classical logical principles. Rev. Soc. cient. Parag. [online]. 2026, vol.31, e3103.  Epub Feb 18, 2026. ISSN 0379-9123.  https://doi.org/10.32480/rscp.2026.e3103.

This article critically examines the ontological foundations of mixed methods research through the lens of classical logical principles: identity, non-contradiction, excluded middle, and sufficient reason. Through a hermeneutical analysis of foundational texts by Parmenides (DK B8) and Aristotle (Metaphysics IV), it demonstrates that qualitative-quantitative methodological integration generates irresolvable tensions within traditional logic frameworks. The analysis reveals that this integration implies the coexistence of mutually exclusive ontological categories, thus contravening fundamental principles of Western thought. However, rather than proposing absolute rejection, the study explores alternative ontological frameworks that could legitimize such integration: Hegelian dialectics, Bhaskar's critical realism, paraconsistent logics, and complex systems thinking. The study concludes that mixed methods of research require a meta-ontological framework that transcends Aristotelian logic, allowing for the productive coexistence of controlled paradoxes. Implications for research theory and practice include the need for explicit ontological reflection prior to any methodological integration.

Keywords : Principle of non-contradiction; ontology; mixed methods; epistemology; classical logic; metaphysics; paradox.

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