{
  "schema": "vedokrok.public-item.v1",
  "release_id": "MHC-RPUB-20260920-75ad787a",
  "url": "/knowledge/move-from-the-concrete-case-to-the-rule",
  "id": "MHC-D-RESEARCH-1080",
  "version": "0.1.0",
  "title": "Move from the concrete case to the rule",
  "summary": "An example should lead somewhere, not become the whole lesson.",
  "kind": "protocol",
  "body": "Show a concrete case, map it to a simpler representation, then express the general rule. Make the correspondences explicit at each move. Concreteness fading comes from instructional research; this short workplace sequence is an application to test.",
  "limits": [
    "Do not strip away a detail that changes the rule. An attractive analogy can hide a critical exception."
  ],
  "topics": [
    "explain-complexity-50"
  ],
  "intents": [],
  "source_ids": [
    "RS-3AC57E97563272FD"
  ],
  "evidence": [
    {
      "claim": "The concreteness-fading review describes linking concrete representations to progressively more abstract ones in mathematics and science instruction.",
      "source_id": "RS-3AC57E97563272FD",
      "role": "contextualizes",
      "note": "Evidence does not establish this exact workplace teaching sequence as superior.",
      "locator": "Abstract."
    }
  ],
  "use_when": [
    "A learner understands your example but cannot use the underlying idea elsewhere."
  ],
  "avoid_when": [
    "Do not strip away a detail that changes the rule. An attractive analogy can hide a critical exception."
  ],
  "example": "To explain duplicate detection, begin with two contact cards, mark the identity fields, then express the matching rule without relying on those names.",
  "check": "Can the learner identify the same relation in a new domain and say where the analogy stops?",
  "steps": [
    "Start with a familiar case whose details make the relation visible.",
    "Replace incidental details with a diagram or small table, explaining what stays the same.",
    "State the rule and test it on a case with different surface details."
  ],
  "sources": [
    {
      "id": "RS-3AC57E97563272FD",
      "title": "Concreteness Fading in Mathematics and Science Instruction: a Systematic Review",
      "url": "https://link.springer.com/article/10.1007/s10648-014-9249-3"
    }
  ],
  "relations": [
    {
      "from": "MHC-D-RESEARCH-1080",
      "to": "MHC-D-RESEARCH-1082",
      "type": "useful_with",
      "url": "/knowledge/draw-the-process-while-you-explain-it"
    }
  ],
  "collections": [
    {
      "id": "RC-13B0CC3ED8022AB1",
      "title": "Learn and explain without hiding the difficult part",
      "url": "/collections/learn-and-explain-without-hiding-the-difficult-part"
    }
  ]
}