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The Source Ladder
Rank claims by where they came from — you saw it, someone measured it, someone repeated it, a machine wrote it — and notice how the rungs feel different.
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Reading & WritingGrades 4–9 (flexes both ways)
The Source Ladder
Rank claims by where they came from — you saw it, someone measured it, someone repeated it, a machine wrote it — and notice how the rungs feel different.
- Pack
- 5 pages
- Runs
- 30–60 min
- Ages
- 9–14, flexes 8–16
- Zone
- The Lab
Full pack: facilitator guide, timed agenda, supply list, and print-ready pages — members download the day it drops.
ProvenancePrimary vs. secondary sourcesEvidence qualityClaim vs. source
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