Topic
Learning science
How memory and understanding actually behave: explaining things back, testing yourself, spacing practice, and what the evidence does and does not show.

Learning science
Spaced repetition: how to schedule revision so it sticks
The same amount of practice produces far more durable memory when spread over days than when bunched into one session. Here is how to space it without an app.
Oct 3, 20265 min read

Learning science
Retrieval practice: why testing yourself beats studying
Being asked to recall something does more for memory than studying it again for the same time. The effect is large, well replicated, and almost universally ignored.
Oct 3, 20265 min read

Learning science
How to study for AP Biology
AP Biology rewards explaining processes and connecting ideas, not memorising vocabulary. A study plan built around what the exam actually asks.
Oct 3, 20266 min read

Learning science
Why explaining it back is the best study technique nobody uses
Saying an idea in your own words finds the gaps that rereading hides. It is one of the best-evidenced things a student can do, and almost nobody does it.
Oct 3, 20265 min read

Learning science
Bloom's 2 sigma problem, and whether it still holds
In 1984 Bloom reported that one-to-one tutoring moved average students two standard deviations ahead. The number is widely quoted, rarely replicated, and still points somewhere true.
Oct 3, 20265 min read