Sumi
One study practice, connected to the evidence behind it.

Sumi Learn · Sumi Ink Field Guide

Study methods, sorted by what actually works.

Nine methods. Four honest evidence grades. Plain-language guidance, and a direct way to put each useful idea into practice.

If you start with two

01Retrieval practiceClose the notes and retrieve the answer before you check it.02Spaced repetitionRevisit material across separate days instead of compressing review into one sitting.

Find a useful next step

Start with your problem, then check the evidence.

All 9 methods are in view.Goal view lifts useful matches forward; every method remains fully available.

How to read the ledger

Evidence is explicit, not implied by color.

  • Strongly supportedThe highest-confidence evidence label used in this library.
  • Well supportedA credible method with replicated support whose usefulness can depend on the task.
  • Promising evidenceA method with supported ingredients, while the named technique has a thinner direct record.
  • Myth checkA popular claim that does not hold up when it is tested as stated.
A sumi brush current branching into connected study-method nodes.
One evidence currentNine practical routes, arranged without inventing a numerical score.

The complete index

Nine ways to study, in evidence order.

Every method remains visible below. Choose a row for the research explanation and its practical next step.

Evidence 01

Strongly supported

The highest-confidence evidence label used in this library.

3 methods

Retrieval practice

Recommended foundation

Testing yourself beats rereading — every time it's been measured.

Strongly supportedPractice in SumiTry today's Daily Challenge — pure retrieval

Spaced repetition

Recommended foundation

Reviews spread over days beat the same time spent in one sitting.

Strongly supportedPractice in SumiSee what's due to review in your Atlas

Confidence calibration

Know the difference between 'I know this' and 'this looks familiar.'

Strongly supportedPractice in SumiPlay today's Daily Challenge (confidence-scored)

Evidence 02

Well supported

A credible method with replicated support whose usefulness can depend on the task.

3 methods

Interleaving

Mix topics in one session instead of drilling one thing at a time.

Well supportedPractice in SumiRun the Gauntlet — questions mixed across all your courses

Explain it back

If you can't explain it simply, you've found the gap.

Well supportedPractice in SumiOpen a guide's Tutor and explain the topic back — it checks you against your own material

Your words first

Write your own summary before you read anyone else's.

Well supportedPractice in SumiOpen Notes and write it your way

Evidence 03

Promising evidence

A method with supported ingredients, while the named technique has a thinner direct record.

2 methods

Timed focus sessions

Work in short, protected blocks with real breaks between them.

Promising evidencePractice in SumiStart a Focus session now

Pretesting

Guess before you learn — being wrong first helps the right answer stick.

Promising evidencePractice in SumiGenerate a quiz and take it BEFORE reading the summary

Evidence 04

Myth check

A popular claim that does not hold up when it is tested as stated.

1 method

The learning-styles myth

"Are you a visual learner?" is the wrong question — for everyone.

Myth — skip itSupported alternativeRetrieval practice + Spaced repetition