:PROPERTIES:
:ID:       063dfd73-dbf5-437b-b6f1-d7aeca196f31
:END:
#+title: Spaced repetition
#+date: "2021-04-07 18:19:11 +08:00"
#+date_modified: "2021-05-14 12:47:14 +08:00"
#+language: en


Spacing out practice sessions over a period of time is more effective than cramming it all in one evening.
It's because our brain takes time to absorb all of the information.
Learning is not instantaneous.
We might know the information now by first practice but we'll forget it sooner or later especially if we don't remember it often.

This could be used as a way to learn things and form habits.
[[id:05a39f96-fb1c-4d71-9be1-fc4c2e251e8f][Start small and improve later]] by practicing over small units (e.g., solve only one problem), make the unit per practice bigger (e.g., solve two problems), and repeat until you're confident to move on to other topics.

There are various tools to practice spaced repetition with Anki is one of the most popular tool.
If you're using [[id:c422175a-5b65-4311-8cc6-11efd55364e8][Org mode]], org-drill is a plugin that builds on top of it to implement a spaced repetition memory system.
