{
  "payload": {
    "schema_version": 1,
    "case_id": "SC-2d5a4790f1754d18b8e1a7708f3a49fd",
    "kind": "sanitised-teaching-case",
    "title": "Treatment comparison",
    "audience_role": "A project owner choosing how an agreed proposition should be visually expressed.",
    "meaning": {
      "communication_job": "choose-visual-direction",
      "audience_question": "Which visual treatment best expresses the same agreed proposition for the intended audience?",
      "point": "The same message and material can take different compositions: compare how hierarchy, image emphasis and reading order present the invitation.",
      "reasoning_relation": "distinct layout alternatives compared in equivalent outer frames using the same message and source material",
      "reader_before": "The reader has seen attractive directions but cannot isolate style differences from changes in message or content.",
      "reader_after": "The reader can compare visual emphasis and ask which approach better serves the agreed brief.",
      "intended_contribution": "Decision clarity through a fair comparison; neither colour nor position supplies a recommendation.",
      "required_evidence": [
        "An agreed brief and criteria for judging the treatments.",
        "The same message and source material presented through legible examples in comparable outer frames.",
        "Relevant accessibility and implementation constraints."
      ],
      "invariants": [
        "Keep the agreed message, factual claims, supplied assets and proposed action equivalent.",
        "Give alternatives equivalent outer frames and readable views. Internal arrangement, image scale, grouping and reading order may differ.",
        "When comparing layouts, show genuinely different compositions. If only colour changes, label it a colour comparison.",
        "Label alternatives neutrally; do not imply before/after or ranked performance.",
        "Explain the recommendation through the intended audience and brief."
      ],
      "poor_fits": [
        "Comparing strategies with different promises while pretending only style differs.",
        "A before/after proof claim or an effectiveness ranking without evidence."
      ]
    },
    "narrative": {
      "before": "Agree the proposition and selection criteria; show enough of each direction to make its rules understandable.",
      "after": "Choose or refine a direction, then check accessibility, real content and implementation.",
      "illustrative_flow": [
        "Agreed brief",
        "Selection criteria",
        "Individual treatments",
        "Comparable alternatives",
        "Direction and implementation"
      ],
      "conditional_branch": "If the options change the proposition as well as the styling, compare the strategic choices separately before deciding the visual direction."
    },
    "layout": {
      "code": "S11",
      "option": "treatment-comparison",
      "relationship": "variant-candidate",
      "basis": "Reviewed arrangement in the existing layout family. Integrated as a named main-gallery option; its files.html entry selects the independently scoped teaching-case markup.",
      "editable_pptx": "unverified"
    },
    "slots": [
      {
        "name": "title",
        "purpose": "Decision the two alternatives prepare",
        "member_count": 1
      },
      {
        "name": "treatments",
        "purpose": "Equal side-by-side alternatives",
        "member_count": 1
      },
      {
        "name": "treatment-1",
        "purpose": "Complete first direction",
        "member_count": 1
      },
      {
        "name": "option-1",
        "purpose": "Neutral identifier, not a ranking",
        "member_count": 1
      },
      {
        "name": "direction-1",
        "purpose": "What distinguishes the first visual approach",
        "member_count": 1
      },
      {
        "name": "mockup-1",
        "purpose": "Editable visual demonstration of the common brief",
        "member_count": 1
      },
      {
        "name": "web-1-navigation",
        "purpose": "Same fictional page navigation in both treatments",
        "member_count": 1
      },
      {
        "name": "web-1-hero-title",
        "purpose": "Same primary proposition in both treatments",
        "member_count": 1
      },
      {
        "name": "web-1-explanation",
        "purpose": "Same supporting explanation in both treatments",
        "member_count": 1
      },
      {
        "name": "web-1-action",
        "purpose": "Same proposed reader action, displayed as a mockup rather than a live service",
        "member_count": 1
      },
      {
        "name": "web-1-hero-image",
        "purpose": "Comparable hero illustration, not evidence of a delivered service",
        "member_count": 1
      },
      {
        "name": "web-1-section-title",
        "purpose": "Same supporting proposition in both treatments",
        "member_count": 1
      },
      {
        "name": "web-1-learning-image",
        "purpose": "Comparable learning scene",
        "member_count": 1
      },
      {
        "name": "web-1-learning-caption",
        "purpose": "Caption explaining the learning scene",
        "member_count": 1
      },
      {
        "name": "web-1-workplace-image",
        "purpose": "Comparable workplace scene",
        "member_count": 1
      },
      {
        "name": "web-1-workplace-caption",
        "purpose": "Caption explaining the workplace scene",
        "member_count": 1
      },
      {
        "name": "treatment-2",
        "purpose": "Complete second direction",
        "member_count": 1
      },
      {
        "name": "option-2",
        "purpose": "Neutral identifier, not a ranking",
        "member_count": 1
      },
      {
        "name": "direction-2",
        "purpose": "What distinguishes the second visual approach",
        "member_count": 1
      },
      {
        "name": "mockup-2",
        "purpose": "Comparable editable demonstration using the same content",
        "member_count": 1
      },
      {
        "name": "web-2-navigation",
        "purpose": "Same fictional page navigation in both treatments",
        "member_count": 1
      },
      {
        "name": "web-2-hero-title",
        "purpose": "Same primary proposition in both treatments",
        "member_count": 1
      },
      {
        "name": "web-2-explanation",
        "purpose": "Same supporting explanation in both treatments",
        "member_count": 1
      },
      {
        "name": "web-2-action",
        "purpose": "Same proposed reader action, displayed as a mockup rather than a live service",
        "member_count": 1
      },
      {
        "name": "web-2-hero-image",
        "purpose": "Comparable hero illustration, not evidence of a delivered service",
        "member_count": 1
      },
      {
        "name": "web-2-section-title",
        "purpose": "Same supporting proposition in both treatments",
        "member_count": 1
      },
      {
        "name": "web-2-learning-image",
        "purpose": "Comparable learning scene",
        "member_count": 1
      },
      {
        "name": "web-2-learning-caption",
        "purpose": "Caption explaining the learning scene",
        "member_count": 1
      },
      {
        "name": "web-2-workplace-image",
        "purpose": "Comparable workplace scene",
        "member_count": 1
      },
      {
        "name": "web-2-workplace-caption",
        "purpose": "Caption explaining the workplace scene",
        "member_count": 1
      }
    ],
    "worked_example": {
      "fictional": true,
      "scenario": "A fictional neighbourhood learning club compares two website treatments using the same membership message and illustrations.",
      "decision": "Choose a visual approach after weighing clarity, accessibility and the intended tone.",
      "slot_fills": [
        {
          "slot": "title",
          "units": [
            {
              "label": "title",
              "fields": [
                {
                  "label": "content",
                  "text": "The same invitation. Two ways in."
                }
              ]
            }
          ]
        },
        {
          "slot": "treatments",
          "units": [
            {
              "label": "treatments",
              "fields": [
                {
                  "label": "content",
                  "text": "Option 1 Split editorial layout OPEN LAB CLUB | Sessions / Membership Find your next question. Try a practical idea with people who enjoy learning together. Explore sessions Make room for discovery. Learn alongside others See ideas take shape Option 2 Image-led layout OPEN LAB CLUB | Sessions / Membership Find your next question. Try a practical idea with people who enjoy learning together. Explore sessions Make room for discovery. Learn alongside others See ideas take shape"
                }
              ]
            }
          ]
        },
        {
          "slot": "treatment-1",
          "units": [
            {
              "label": "treatment-1",
              "fields": [
                {
                  "label": "content",
                  "text": "Option 1 Split editorial layout OPEN LAB CLUB | Sessions / Membership Find your next question. Try a practical idea with people who enjoy learning together. Explore sessions Make room for discovery. Learn alongside others See ideas take shape"
                }
              ]
            }
          ]
        },
        {
          "slot": "option-1",
          "units": [
            {
              "label": "option-1",
              "fields": [
                {
                  "label": "content",
                  "text": "Option 1"
                }
              ]
            }
          ]
        },
        {
          "slot": "direction-1",
          "units": [
            {
              "label": "direction-1",
              "fields": [
                {
                  "label": "content",
                  "text": "Split editorial layout"
                }
              ]
            }
          ]
        },
        {
          "slot": "mockup-1",
          "units": [
            {
              "label": "mockup-1",
              "fields": [
                {
                  "label": "content",
                  "text": "OPEN LAB CLUB | Sessions / Membership Find your next question. Try a practical idea with people who enjoy learning together. Explore sessions Make room for discovery. Learn alongside others See ideas take shape"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-navigation",
          "units": [
            {
              "label": "web-1-navigation",
              "fields": [
                {
                  "label": "content",
                  "text": "OPEN LAB CLUB | Sessions / Membership"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-hero-title",
          "units": [
            {
              "label": "web-1-hero-title",
              "fields": [
                {
                  "label": "content",
                  "text": "Find your next question."
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-explanation",
          "units": [
            {
              "label": "web-1-explanation",
              "fields": [
                {
                  "label": "content",
                  "text": "Try a practical idea with people who enjoy learning together."
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-action",
          "units": [
            {
              "label": "web-1-action",
              "fields": [
                {
                  "label": "content",
                  "text": "Explore sessions"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-hero-image",
          "units": [
            {
              "label": "web-1-hero-image",
              "fields": [
                {
                  "label": "image role",
                  "text": "Generated sample art of people making together"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-section-title",
          "units": [
            {
              "label": "web-1-section-title",
              "fields": [
                {
                  "label": "content",
                  "text": "Make room for discovery."
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-learning-image",
          "units": [
            {
              "label": "web-1-learning-image",
              "fields": [
                {
                  "label": "image role",
                  "text": "Generated sample art of a learning team"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-learning-caption",
          "units": [
            {
              "label": "web-1-learning-caption",
              "fields": [
                {
                  "label": "content",
                  "text": "Learn alongside others"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-workplace-image",
          "units": [
            {
              "label": "web-1-workplace-image",
              "fields": [
                {
                  "label": "image role",
                  "text": "Generated sample art of a workplace"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-1-workplace-caption",
          "units": [
            {
              "label": "web-1-workplace-caption",
              "fields": [
                {
                  "label": "content",
                  "text": "See ideas take shape"
                }
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            }
          ]
        },
        {
          "slot": "treatment-2",
          "units": [
            {
              "label": "treatment-2",
              "fields": [
                {
                  "label": "content",
                  "text": "Option 2 Image-led layout OPEN LAB CLUB | Sessions / Membership Find your next question. Try a practical idea with people who enjoy learning together. Explore sessions Make room for discovery. Learn alongside others See ideas take shape"
                }
              ]
            }
          ]
        },
        {
          "slot": "option-2",
          "units": [
            {
              "label": "option-2",
              "fields": [
                {
                  "label": "content",
                  "text": "Option 2"
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        },
        {
          "slot": "direction-2",
          "units": [
            {
              "label": "direction-2",
              "fields": [
                {
                  "label": "content",
                  "text": "Image-led layout"
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            }
          ]
        },
        {
          "slot": "mockup-2",
          "units": [
            {
              "label": "mockup-2",
              "fields": [
                {
                  "label": "content",
                  "text": "OPEN LAB CLUB | Sessions / Membership Find your next question. Try a practical idea with people who enjoy learning together. Explore sessions Make room for discovery. Learn alongside others See ideas take shape"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-navigation",
          "units": [
            {
              "label": "web-2-navigation",
              "fields": [
                {
                  "label": "content",
                  "text": "OPEN LAB CLUB | Sessions / Membership"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-hero-title",
          "units": [
            {
              "label": "web-2-hero-title",
              "fields": [
                {
                  "label": "content",
                  "text": "Find your next question."
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-explanation",
          "units": [
            {
              "label": "web-2-explanation",
              "fields": [
                {
                  "label": "content",
                  "text": "Try a practical idea with people who enjoy learning together."
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-action",
          "units": [
            {
              "label": "web-2-action",
              "fields": [
                {
                  "label": "content",
                  "text": "Explore sessions"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-hero-image",
          "units": [
            {
              "label": "web-2-hero-image",
              "fields": [
                {
                  "label": "image role",
                  "text": "Generated sample art of people making together"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-section-title",
          "units": [
            {
              "label": "web-2-section-title",
              "fields": [
                {
                  "label": "content",
                  "text": "Make room for discovery."
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-learning-image",
          "units": [
            {
              "label": "web-2-learning-image",
              "fields": [
                {
                  "label": "image role",
                  "text": "Generated sample art of a learning team"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-learning-caption",
          "units": [
            {
              "label": "web-2-learning-caption",
              "fields": [
                {
                  "label": "content",
                  "text": "Learn alongside others"
                }
              ]
            }
          ]
        },
        {
          "slot": "web-2-workplace-image",
          "units": [
            {
              "label": "web-2-workplace-image",
              "fields": [
                {
                  "label": "image role",
                  "text": "Generated sample art of a workplace"
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              ]
            }
          ]
        },
        {
          "slot": "web-2-workplace-caption",
          "units": [
            {
              "label": "web-2-workplace-caption",
              "fields": [
                {
                  "label": "content",
                  "text": "See ideas take shape"
                }
              ]
            }
          ]
        }
      ],
      "why_it_works": "The split editorial layout places the invitation beside its main image, followed by two supporting image tiles. The image-led layout opens with a wide scene, centres the invitation beneath it and finishes with compact image-and-caption links. Both use the same copy, assets and action, so the viewer can judge how the composition changes emphasis and reading order.",
      "qualification": "Fictional teaching material. Proposed activity, planning assumptions and conceptual illustrations are not evidence of delivery, demand or results. Supply authorised facts and preserve necessary qualifications for a real project."
    },
    "sanitisation": {
      "method": "semantic-abstraction-and-fictional-reconstruction",
      "replaced": [
        "All identities, campaign wording, sector-specific claims, dates, values and source imagery.",
        "The example is independently authored; credited library illustrations are conceptual."
      ],
      "preserved": [
        "Communication job and reasoning relationship.",
        "Dominant regions, reading order, mapped content roles and visible qualifications.",
        "The kind of setup and follow-through the page needs."
      ],
      "losses": [
        "The original brand, employee proposition, website imagery and source design files are excluded."
      ],
      "residual_risk": "Content review reduces recognisability but does not certify formal anonymity. Generic geometry and reasoning can resemble other presentations.",
      "linkage_boundary": "restricted-bridge-outside-reuse-package"
    }
  },
  "reviews": {
    "privacy": {
      "status": "reviewed",
      "reviewer": "Tessel - agent review",
      "date": "2026-10-13",
      "basis": [
        "Independently authored community-science scenarios replace source identities, wording, original images, sector-specific claims and timing.",
        "Reviewed the new prose, slot maps, images and code; bounded probes found no tested private names, source IDs, paths or hashes. Original source pixels are absent.",
        "Random case identifiers join to a restricted bridge outside the site. Public font credits and existing library illustrations are retained. No formal anonymity guarantee.",
        "Revised case prose, prompt and isolated comparison CSS rechecked; no source content or assets added.",
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    "semantic": {
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      "reviewer": "Tessel - agent review",
      "date": "2026-10-13",
      "basis": [
        "Inspected retained source arrangements and surrounding passage; earlier user approval applies to the four starting geometries.",
        "Reviewed independent fictional examples against communication jobs, audience state changes, qualifications, exact populated slots and current parent layout markup.",
        "Inspected desktop and mobile output, including complete three-to-four story-column extension. Replacement suggestions are conditional comparisons, not validated swaps.",
        "Nic correction: treatment comparison now shows a split editorial layout and an image-led layout with different hierarchy, grouping and image scale; agreed copy/assets/action remain equivalent. Desktop and phone compositions inspected; 24 targeted render checks pass. This intentionally changes the earlier derivative geometry.",
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