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Date Author Commit Message
2026-06-02 06:30:52 84b076 lisa SD C04: add CHOICE Headphones — Spotting Efficiency and Effectiveness page; link from design-matrix page Single-concept teaching page that overlays VCAA efficiency vs effectiveness factors onto the CHOICE May 2026 headphones matrix. Anchored to VCAA-named factors (11 effectiveness, 3 efficiency) and the existing CHOICE data on the parent page. One-line link added to the parent page below the CHOICE matrix table. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-25 22:51:38 e71e64 lisa SD C04: add Hot Cross Bun Matrix activity page; link from design guide and C04-home Hands-on Use-Modify-Create activity: design + run + defend an evaluation matrix on 2-3 bun brands, with blind tasting, independent scoring, persona stress-test, a blank scoring template, and transfer to C4-2/U4 O1. Original example (not reproducing CHOICE's data); links the CHOICE bun video. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-25 22:48:40 e07b8c lisa SD C04 Designing an Evaluation Matrix: swap weighting how-to for CHOICE hot cross buns taste test Replaces the dry airfocus tutorial with a short, relatable CHOICE evaluation (same org, same craft) + link to the written version. Focus prompt ties it to criteria-before-judging. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-25 22:33:55 c7c7b0 lisa SD C04 Designing an Evaluation Matrix: add CHOICE matrix as a design-decisions table Shows the matrix structure (criteria, weights, measurement method, counts-toward-rating) with the two excluded columns flagged, rather than reproducing CHOICE's per-product grid. Verified weights; attributed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-25 22:28:34 48f5cd lisa SD C04 Designing an Evaluation Matrix: sharpen CHOICE deconstruction from the actual article Verified weights/exclusions against the source PDF; add the travel framing, the 75% recommendation cut-off, the N/A weight-redistribution, and the April-2025 reweighting (a matrix is revisable decisions). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-25 22:25:13 408909 lisa SD C04: add 'Designing an Evaluation Matrix' guide (first-principles, CHOICE model) Teaches matrix DESIGN as seven justified decisions, reverse-engineering the CHOICE May-2026 headphones test, with a worked Thonny/VS Code/IDLE example (persona-driven, stress-tested), the quality-factors-as-menu point, a verified weighted-matrix video, and an exam-style practice prompt. Linked from C04-home and the C4-2 checkpoint. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>