HCD.18:10 - Architectural Rationale

Material evaluation sits inside human capability development because the material is one contribution to learning work. Keeping its evaluation distinct allows the same explanation to be judged within a teacher-supported activity, a self-study unit, or a narrower preparatory use without attributing every outcome to the text.

A.19.ECS already supplies the general specification-construction discipline. The additional domain contribution is the task-derived denominator, discrimination of plausible learner rules, assistance-sensitive evidence, and material-specific repair reach. HCD.19 consumes the result to inspect material and actual reader work. Their relationship is a direct result dependency when construction is needed, not a mandatory two-step lifecycle.

The common profile supplies reusable property meanings and comparison cautions. It does not replace task-specific selection or turn a framework publication into an admitted MethodDescription. An independently live Method or MethodDescription claim retains its own admission requirements.