School assignments encodes values as a question, a chart type that fits, and a sentence that reads the result. School science fairs and lab manuals from the late 19th century onward.
In reports, ads and assignments it fits lab reports, history timelines, math data tasks, posters. Skip it when decorating first — pick the chart that answers the rubric.
Mistakes
- Failure modes 1 — decorating first — pick the chart that answers the rubric
- Failure modes 2 — 3-D pies and perspective bars
- Failure modes 3 — Dual axes that fake a correlation
- Failure modes 4 — Truncated axes that shout a small delta
- Failure modes 5 — Legend only, no direct labels
- Failure modes 6 — Missing source, unit or period
Fixes
- Fixes 1 — Return to lab reports, history timelines, math data tasks, posters.
- Fixes 2 — Flat, one axis, direct labels.
- Fixes 3 — Color-blind-safe palette plus pattern.
- Fixes 4 — Rewrite the title as a claim and add a source line.
School assignments: honour a question, a chart type that fits, and a sentence that reads the result, and switch when decorating first — pick the chart that answers the rubric.