Journal of Systems Thinking · Volume 6, Issue 1 · 2026-07-17
Is System Dynamics Made of DSRP?
Testing Whether the Organizational Structure of System Dynamics Is Contained Within DSRP-484
Derek Cabrera
DOI 10.54120/jost.v26i1.dc6sdos6 (registration pending)
Abstract
ABSTRACT: System dynamics (SD) is among the most formally developed traditions in systems thinking and is sometimes conflated with systems thinking itself. Its distinctive constructs—variables, causal links, feedback loops, stocks, flows, delays, boundaries, and related higher-order structures—provide a powerful language for representing and studying dynamic behavior. DSRP-484 makes a more elemental onto-epistemic claim: organization itself is generated through four recursively enclosed Patterns—Distinctions, Systems, Relationships, and Perspectives—composed of eight elemental roles and governed by four structural dynamics. This paper asks whether the organizational structures distinctive to system dynamics require anything outside DSRP-484. Using the O-Theory distinction between information and organization, X=I·O, we develop a structural-remainder test that decomposes SD constructs until either their organization is fully generated by DSRP-484 or an irreducible residual remains. Variables decompose as distinguished identities; stocks as quantified part-whole Systems; flows as quantified Relationships that change Systems; feedback loops as Systems of recursively linked Relationships; delays as temporal information carried by Relationships or as decomposable process-Systems; boundaries as recursively enclosed DSRP structures; and aggregation and disaggregation as recursive part-whole transformations. Mathematical and computational machinery used by SD—including differential equations, numerical integration, and simulation—is not distinctive SD ontology and therefore does not enlarge the organizational basis supplied by SD itself. We then apply the structural-remainder test to a pre-committed candidate set of 60 constructs drawn from the field's own vocabulary under a fixed extraction rule. All 60 decompose without requiring an additional organizational primitive. No residual X is identified. The result supports strict structural containment: OSD⊊Cl(ODSRP-484). The result also has a methodological implication. If SD's characteristic constructs are specialized composites rather than organizational primitives, beginning inquiry with stocks, flows, feedback, and delays can bias the analyst toward seeing the organization those forms are designed to represent. DSRP can instead operate upstream: first determining what distinctions, systems, relationships, and perspectives the phenomenon contains, and only then determining which of those structures should be instantiated in an SD model—a workflow already demonstrated by Caddell and Nilchiani in their construction of a system dynamics model of interpersonal trust. System dynamics therefore remains a powerful domain-specific modeling method, but both its organizational foundations and the thinking used to construct its models can be situated within a more elemental organizational calculus.
© 2026 Journal of Systems Thinking (JoST) · CC BY-NC-ND 4.0
