What this guide helps you decide
What spatial reasoning can honestly be measured through verbal description and what cannot, plus the rules for folding, rotation, cube counting, and net displacement.
Use the page as a working reference: identify the current evidence, choose one priority, apply it in a realistic task, and keep an observable result for comparison.
A practical framework
- Define the decision in one sentence.
- Separate verified evidence from assumptions.
- Choose the smallest useful next action.
- Set a date and an observable sign for review.
How to measure progress
- Use a fresh sample.
- Classify errors by cause.
- Track independence as well as accuracy.
- Review whether the change transfers to the real goal.
Primary references
Official sources
Links should be rechecked before a high-stakes decision.
Choose your assessment depth
Use Quick for a directional reading or Full when you want broader evidence and a richer report.