Cheatsheet: Learn How to Learn: Build Lasting Knowledge and Learn Faster

By Better Wise

One-page reference for the whole course. Use it to plan reviews, fix flashcards, and defend your learning project.

Module 1: Memory Foundations and the Rereading Trap

1.1 The three-stage loop

flowchart LR
    Encode["📥<br/>Encoding"] --> Store["🗄️<br/>Storage"]
    Store --> Retrieve["🔎<br/>Retrieval"]
    Retrieve -. "re-encodes, strengthens" .-> Store

Stage	What happens	What can fail	What helps
Encoding	New info is turned into a usable trace	Shallow processing, no attention	Meaning, examples, connect to prior knowledge
Storage	Trace is held over time	Decay, interference	Spacing, sleep, rest
Retrieval	Trace is pulled back into mind	Cue mismatch, weak trace	Active recall, varied cues

Key idea: memory is not a recording. Each retrieval re-encodes the trace, so retrieval is both a test and a training event.

1.2 Fluency illusion vs active recall

	Rereading (passive)	Active recall (retrieval)
Feels like	Easy, smooth, "I know this"	Effortful, sometimes uncomfortable
Immediate test	Looks good	Looks harder
Delayed test	Weak	Strong
Feedback	Familiarity, not knowledge	Reveals actual gaps

Warning: Familiarity is not the same as retrievability. Rereading raises the feeling of knowing without reliably raising the ability to produce the answer later.

Fix: close the book and write or say the answer from memory, then check.

1.3 Desirable difficulty

Effortful, successful retrieval sticks better than easy review. The difficulty must be productive (you can still get it right, or right with a hint), not overwhelming.

Difficulty is desirable when...	Difficulty is undesirable when...
You must work to recall, then succeed	You cannot recall even with effort
You get corrective feedback soon after	You practice errors with no feedback
The task targets the real test format	The task is unrelated busywork

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