Structured Systems Mapping at Carnegie Mellon: Cultivating a practice of critical reflection and collaborative exploration

Luis Garcia

This conversation considers the evolving role of Carnegie Mellon University’s Design Studies in systems thinking and design education, highlighting its systems course as an exemplar of structured systems mapping. The course focuses on exploring and communicating the dynamics of large-scale socio-technical challenges, primarily in Pennsylvania, and emphasises a systems-thinking approach that begins with in-depth contextual research to understand the stakeholders, environments, and forces shaping a particular issue.

Course Context

To support the research phase, students use methods such as a Research Matrix and Affinity Diagramming. The Research Matrix is a visual method for identifying relationships between pieces of seemingly unrelated information. After conducting initial research and organising findings through affinity diagramming, where students cluster insights into emerging categories or common themes, they use the matrix to compare and contrast these themes. This process helps surface unexpected connections and new angles of inquiry, allowing students to move beyond surface-level analysis and deepen their understanding of the system’s complexity.

Students are encouraged to examine their topic through multiple lenses, including social, technological, economic, environmental, and political (STEEP) dimensions. This foundational research informs the development of systems models that highlight interdependencies, feedback loops, and patterns of cause and effect. Working collaboratively, students begin to distinguish root causes from consequences and visualise how various elements of the system interact to produce complex outcomes.

As the mapping process evolves, students iteratively refine their models, guided by weekly lectures, discussions, interactive activities, and guest speakers who introduce key theoretical frameworks such as cybernetics (Wiener, 1948; Ashby, 1956) and leverage points (Meadows, 1999). The integration of theoretical frameworks with the mapping process helps students identify areas within the system where small, strategic interventions might lead to significant and lasting change.

The final systems maps are not only analytical tools but also communicative artefacts that synthesise a shared understanding of a complex problem. In addition to representing the interconnected components of a wicked problem, these maps begin to interrogate how, where, and at what scale interventions might occur. Students incorporate leverage point mapping to identify strategic areas within the system and map ecologies of interventions to define interrelated actions that respond to the complexity of the system rather than relying on singular solutions. Accompanying this is an implication analysis, where students critically reflect on the potential consequences, trade-offs, and unintended effects of proposed interventions. Together, these elements help students articulate not just what the system is, but how it might be thoughtfully and responsibly transformed. Through this process, they cultivate a practice of critical reflection and collaborative exploration, developing skills that are essential for engaging meaningfully with complex design contexts and for anticipating the long-term implications of their work.

[Editor’s note: See all CMU contributions to Maps & Exhibits.]