{
  "schema": "vedokrok.public-item.v1",
  "release_id": "MHC-RPUB-20260920-75ad787a",
  "url": "/knowledge/compare-before-feedback-and-after-feedback-work",
  "id": "MHC-D-RESEARCH-9017",
  "version": "0.1.0",
  "title": "Compare before-feedback and after-feedback work",
  "summary": "Improvement is easier to see when the evidence sits side by side.",
  "kind": "protocol",
  "body": "Keep a small pair of comparable attempts around important feedback. Compare the specific behavior the feedback targeted, not the overall impression. If the new sample is better, test whether the change survives a fresh case; if not, inspect whether the feedback was unclear, misapplied or irrelevant.",
  "limits": [
    "Comparisons need reasonably similar difficulty. A harder second task can show better skill even with a lower raw score."
  ],
  "topics": [
    "union-skill-acquisition-career-dominant-focus"
  ],
  "intents": [],
  "source_ids": [
    "RS-6E1BEAD965645751"
  ],
  "evidence": [
    {
      "claim": "A meta-analysis of 435 feedback studies found a medium average effect on learning (d = 0.48) with substantial heterogeneity, and the information content of feedback materially moderated impact.",
      "source_id": "RS-6E1BEAD965645751",
      "role": "supports",
      "note": "More feedback is not automatically better, and effects differ by outcome and feedback form.",
      "locator": "Abstract"
    }
  ],
  "use_when": [
    "When progress is described from memory rather than from comparable performance samples."
  ],
  "avoid_when": [
    "Comparisons need reasonably similar difficulty. A harder second task can show better skill even with a lower raw score."
  ],
  "example": "Two interview answers are compared on whether the decision, evidence and result are explicit; visual polish is ignored because it was not the training target.",
  "check": "The learner can point to the changed behavior and explain whether it transferred beyond the revised artifact.",
  "steps": [
    "Same target criterion is visible in both attempts.",
    "The feedback point is identifiable.",
    "The changed behavior can be observed.",
    "A fresh case is used before claiming general improvement."
  ],
  "sources": [
    {
      "id": "RS-6E1BEAD965645751",
      "title": "The Power of Feedback Revisited: A Meta-Analysis of Educational Feedback Research",
      "url": "https://pubmed.ncbi.nlm.nih.gov/32038429/"
    }
  ],
  "relations": [],
  "collections": [
    {
      "id": "RC-EA04F47374E04549",
      "title": "Learn new skills, turn them into career evidence, and protect the main development edge",
      "url": "/collections/learn-new-skills-turn-them-into-career-evidence-and-protect-the-main-development-edge"
    }
  ]
}