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ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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# C02 — Data Collection & Analytical Diagrams
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1abe81 lisa 2026-04-30 18:17:38
School name → 'The Hamilton and Alexandra College' across all wiki pages Sweep rename of the standard subtitle line on every wiki page (sd/, hub, resources). 25 files affected.
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The Hamilton and Alexandra College · Year 12 · 2026
ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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The second SAT checkpoint covers how you gather evidence about your client's needs and how you model the system you are about to build. You will collect data from real people, prepare it for analysis, and produce three analytical diagrams — all under timed, hand-drawn conditions.
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c6c6d5 lisa 2026-04-27 20:49:10
C02 home: add new pages (Essential Terms, Data Collection Methods, Context Diagram) Restructure into Start here / Data collection (C2-1) / Analytical diagrams (C2-2) groupings so students can find pages by validation.
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## Start here
ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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d49afc lisa 2026-05-03 09:46:44
SD wiki: link C2+C3 Assessment Explained from hub and C02/C03 home pages
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- [🎬 C2+C3 Assessment Explained](/sd/C2%20and%20C3%20Assessment%20Explained) — short videos covering the C2-1 (Data Collection) and C2-2 (Analytical Diagrams) validation formats
c6c6d5 lisa 2026-04-27 20:49:10
C02 home: add new pages (Essential Terms, Data Collection Methods, Context Diagram) Restructure into Start here / Data collection (C2-1) / Analytical diagrams (C2-2) groupings so students can find pages by validation.
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- [Essential Terms](/sd/C02/Essential%20Terms) — glossary of every C02 term (data collection, the three diagrams, qual/quant); click each term to expand its definition
ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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c6c6d5 lisa 2026-04-27 20:49:10
C02 home: add new pages (Essential Terms, Data Collection Methods, Context Diagram) Restructure into Start here / Data collection (C2-1) / Analytical diagrams (C2-2) groupings so students can find pages by validation.
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## Topics — Data collection (C2-1)
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e15de9 lisa 2026-04-30 07:50:48
C02: add 4 new pages closing remaining wiki gaps Closes the original 8-gap audit by consolidating into 4 pages (parallel sonnet build): - Building Your C2-1 Poster — poster structure + labelled raw-data artefact + findings-to-SRS mapping (covers gaps 2, 3, 4) - Data Flow Diagram (Level-1) — standalone DFD page with mermaid worked example, mirrors Context Diagram and UCD pattern (gap 1) - User Stories and MoSCoW — three-part formula + MoSCoW matrix + user-story-to-method-choice pipeline (gap 6) - Hand-Drawing Cheat-Sheet — cross-cutting notation reference for hand-drawn versions of all 3 diagrams; right-vs-wrong tables (gap 5) Plus enhancement (gap 7): - Data Collection Methods: new 'Qualitative or quantitative?' section with same-project two-data-point comparison and decision rule C02-home updated with both new C2-1 pages, the new DFD page, and the cheat-sheet — restructured order so each section reads in pedagogical order.
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- [User Stories and MoSCoW](/sd/C02/User%20Stories%20and%20MoSCoW) — the three-part user-story formula, MoSCoW priority matrix, and how stories drive method choice
c6c6d5 lisa 2026-04-27 20:49:10
C02 home: add new pages (Essential Terms, Data Collection Methods, Context Diagram) Restructure into Start here / Data collection (C2-1) / Analytical diagrams (C2-2) groupings so students can find pages by validation.
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- [Data Collection Methods](/sd/C02/Data%20Collection%20Methods) — the four methods (interview, survey, observation, report) — when to use each, strengths/weaknesses, recommended 3-method mix
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- [Explaining vs Describing Your Data Collection](/sd/C02/Explaining%20vs%20Describing%20Your%20Data%20Collection) — the exact rubric difference between 7–8 and 9–10 for Indicator 1; worked examples of each level
e15de9 lisa 2026-04-30 07:50:48
C02: add 4 new pages closing remaining wiki gaps Closes the original 8-gap audit by consolidating into 4 pages (parallel sonnet build): - Building Your C2-1 Poster — poster structure + labelled raw-data artefact + findings-to-SRS mapping (covers gaps 2, 3, 4) - Data Flow Diagram (Level-1) — standalone DFD page with mermaid worked example, mirrors Context Diagram and UCD pattern (gap 1) - User Stories and MoSCoW — three-part formula + MoSCoW matrix + user-story-to-method-choice pipeline (gap 6) - Hand-Drawing Cheat-Sheet — cross-cutting notation reference for hand-drawn versions of all 3 diagrams; right-vs-wrong tables (gap 5) Plus enhancement (gap 7): - Data Collection Methods: new 'Qualitative or quantitative?' section with same-project two-data-point comparison and decision rule C02-home updated with both new C2-1 pages, the new DFD page, and the cheat-sheet — restructured order so each section reads in pedagogical order.
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- [Building Your C2-1 Poster](/sd/C02/Building%20Your%20C2-1%20Poster) — poster structure, what labelled raw data looks like, findings → SRS mapping; the single page to read before C2-1
c6c6d5 lisa 2026-04-27 20:49:10
C02 home: add new pages (Essential Terms, Data Collection Methods, Context Diagram) Restructure into Start here / Data collection (C2-1) / Analytical diagrams (C2-2) groupings so students can find pages by validation.
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## Topics — Analytical diagrams (C2-2)
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- [Context Diagram](/sd/C02/Context%20Diagram) — Yourdon-DeMarco notation, a worked example, "draw it / check it" steps, common mistakes
e15de9 lisa 2026-04-30 07:50:48
C02: add 4 new pages closing remaining wiki gaps Closes the original 8-gap audit by consolidating into 4 pages (parallel sonnet build): - Building Your C2-1 Poster — poster structure + labelled raw-data artefact + findings-to-SRS mapping (covers gaps 2, 3, 4) - Data Flow Diagram (Level-1) — standalone DFD page with mermaid worked example, mirrors Context Diagram and UCD pattern (gap 1) - User Stories and MoSCoW — three-part formula + MoSCoW matrix + user-story-to-method-choice pipeline (gap 6) - Hand-Drawing Cheat-Sheet — cross-cutting notation reference for hand-drawn versions of all 3 diagrams; right-vs-wrong tables (gap 5) Plus enhancement (gap 7): - Data Collection Methods: new 'Qualitative or quantitative?' section with same-project two-data-point comparison and decision rule C02-home updated with both new C2-1 pages, the new DFD page, and the cheat-sheet — restructured order so each section reads in pedagogical order.
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- [Data Flow Diagram (Level-1)](/sd/C02/Data%20Flow%20Diagram) — process / entity / data store / data flow notation; numbered processes; common mistakes
ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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- [Context Diagram vs Data Flow Diagram](/sd/C02/Context%20Diagram%20vs%20Data%20Flow%20Diagram) — what can appear on each diagram, side-by-side; the most common notation errors in C2-2
3b5c00 lisa 2026-04-28 17:35:38
Add C02 Use Case Diagram wiki page (5 PlantUML-rendered examples) Page covers actors, use cases, system boundary, and the four relationships (association, generalisation, include, extend), plus arrow-direction rules — the common UCD trap. Five focused PNGs pre-rendered from PlantUML and committed under sd/C02/Use Case Diagram/ (OtterWiki doesn't render PlantUML natively): - 01-base.png — simplest UCD (1 actor, 1 use case) - 02-multi-actor.png — Timetable system, 3 actors, 4 use cases - 03-generalisation.png — Administrator → Teacher → Student - 04-include.png — Edit User --«include»--> Load User - 05-extend.png — Display Help --«extend»--> Register User Blocks used: TIP intro, WARNING for arrow-direction trap, DANGER for common mistakes, SUCCESS for the draw-it order, INFO for the rubric stake. Four-question CYU with spoiler answers. Linked from C02-home under Analytical diagrams.
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- [Use Case Diagram (UCD)](/sd/C02/Use%20Case%20Diagram) — actors, use cases, system boundary, and the four relationships; arrow-direction rules for «include» / «extend»
ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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- [What Is an Entity?](/sd/C02/What%20Is%20an%20Entity) — why entities include external systems (APIs, email servers) as well as human users; how to find every entity from your user stories
e15de9 lisa 2026-04-30 07:50:48
C02: add 4 new pages closing remaining wiki gaps Closes the original 8-gap audit by consolidating into 4 pages (parallel sonnet build): - Building Your C2-1 Poster — poster structure + labelled raw-data artefact + findings-to-SRS mapping (covers gaps 2, 3, 4) - Data Flow Diagram (Level-1) — standalone DFD page with mermaid worked example, mirrors Context Diagram and UCD pattern (gap 1) - User Stories and MoSCoW — three-part formula + MoSCoW matrix + user-story-to-method-choice pipeline (gap 6) - Hand-Drawing Cheat-Sheet — cross-cutting notation reference for hand-drawn versions of all 3 diagrams; right-vs-wrong tables (gap 5) Plus enhancement (gap 7): - Data Collection Methods: new 'Qualitative or quantitative?' section with same-project two-data-point comparison and decision rule C02-home updated with both new C2-1 pages, the new DFD page, and the cheat-sheet — restructured order so each section reads in pedagogical order.
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- [Hand-Drawing Cheat-Sheet](/sd/C02/Hand-Drawing%20Cheat-Sheet) — single visual reference for hand-drawn versions of all three diagrams (right vs wrong symbols)
764b19 lisa 2026-04-26 08:07:23
Source material C02-C05: 6 new DRAFT pages, verified external rows YouTube-first priority sourcing per CXX-WIKI-VIDEO-guide §7. All external resources verified rigorously (oEmbed for YouTube, browser DOM check via playwright-cli for Isaac CS); no curl-200-only links. New DRAFT wiki pages (6): - C02: Excalidraw Diagram Starters - C03: Analytical Tools Template Guide - C04: Efficiency vs Effectiveness; Evaluation Criteria and the SRS - C05: Annotated Mock-up in Excalidraw; Plan B Contingency Table Verified external rows added across CXX-Resources.md (MPT YouTube, NNgroup, VCAA Teaching and Learning, Isaac CS prog_cwk_evaluation_ocr, Ryan's Tutorials). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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- [Excalidraw Diagram Starters](/sd/C02/Excalidraw%20Diagram%20Starters) — pre-framed skeletons for all three C02 diagrams (context diagram, DFD, use case diagram) with shape keys and notation checks (DRAFT)
ef4237 lisa 2026-04-25 22:18:29
Add C02 wiki content (DRAFT) — landing page, key-concept pages, Resources Builds out C02 (Data Collection & Analytical Diagrams). Adds C02-home, 3 new key-concept pages (DRAFT for teacher review tomorrow), external resource rows in C02-Resources.md, and a Hub link to C02-home. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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## Resources
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- [C02 Resources](/sd/Resources/C02-Resources) — per-topic reading and videos, including external resources for use case diagrams, qualitative vs quantitative data, and «include» vs «extend»
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