Definitionv1

Schema debt: the compounding liability that accumulates when

Schema debt: the compounding liability that accumulates when a mental model is known to be inaccurate but is not updated, with interest payments manifesting as suboptimal decisions, wasted effort, and degraded performance in the domain the schema describes

Why This Is a Definition

This definition precisely establishes the meaning of 'schema debt' by identifying its genus (liability from outdated mental models), differentia (known inaccuracy not updated), and specifying the mechanism of compounding (interest payments through decision degradation, wasted effort, and performance issues), while drawing the precise parallel to financial debt.

Source Lessons

L-0307

Schema debt from deferred updates

Knowing a schema is wrong but not updating it creates a growing liability.

Connections

Defines (19)

AxiomOpen-Loop Cognitive Cost (Zeigarnik)AxiomExpertise Transforms Perceptual Chunking AxiomPatterns Exist in Hierarchical Logical Levels AxiomMeaning as Receiver Construction AxiomScientific Paradigms Are Incommensurable AxiomMental Models Are Singular by Default AxiomCognition Operates Through Dual Processing Systems AxiomDunbar's Number Limits Stable Relationships AxiomBasic-Level Category Privilege AxiomConstrual Level Effects on Perception AxiomPiagetian Equilibration Through Schema Dynamics AxiomSimple decision rules using less information can outperform AxiomPeople interpret failure as either evidence about their AxiomLosses loom larger than equivalent gains in human AxiomSignal detection involves independent dimensions of AxiomBehavior follows the path of least resistance due to the AxiomWhen estimating future task duration, people naturally adopt AxiomReference class forecasting (using base rates from similar AxiomHuman cognition operates through schemas — structured

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