Beyond Logic: Developing Pathos and Ethos in STEM Undergraduate Communication Using the Rhetorical Triangle

Tzipora Rakedzon; Orit Hazzan

doi:10.1109/tpc.2025.3562716

IEEE Transactions on Professional Communication Jun 2025 Open Access

Beyond Logic: Developing Pathos and Ethos in STEM Undergraduate Communication Using the Rhetorical Triangle

Tzipora Rakedzon Technion – Israel Institute of Technology ; Orit Hazzan Technion – Israel Institute of Technology

Abstract

About the case: We suggest using Aristotle's rhetorical triangle, a tool for analyzing communication in terms of logos (logic), pathos (values), and ethos (identity), in science, technology, engineering, and mathematics (STEM) undergraduate classes. We investigate how the triangle can enhance students’ communication skills by developing awareness of pathos and ethos, and shed light on values, considerations, and professional identity at different stages of their studies. Situating the case: Developing communication skills among STEM students is imperative even in the age of AI-based tools. Although many books and platforms exist to help facilitate communication in general, STEM students require practical tools to foster the rhetorical skills needed for effective and persuasive communication. Methods: The rhetorical triangle intervention was implemented in two undergraduate courses to help students develop the other necessary elements of effective communication beyond logos: i.e., pathos and ethos. Results: Our results show that the intervention enhanced students’ ability to express shared values (pathos) with their audience and fostered the development of professional identity (ethos). Our findings also revealed notable differences in professional identity expression when comparing two different samples of future scientists and engineers in their freshmen and senior years. Conclusion: We suggest that incorporating the elements of the rhetorical triangle into STEM education can enhance students’ communication skills, particularly in expressing the value of their work and developing a strong professional identity. We recommend integrating these elements throughout various stages of the curriculum to deepen students’ understanding of effective communication and persuasion.

Journal: IEEE Transactions on Professional Communication
Published: 2025-06-01
DOI: 10.1109/tpc.2025.3562716
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Topics: classical rhetoric rhetorical criticism argument
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Beyond Logic: Developing Pathos and Ethos in STEM Undergraduate Communication Using the Rhetorical Triangle

Abstract

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References (35) · 5 in this index

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