Section 02

Spacing

Spacing survives almost every test put to it: the same hours, distributed, produce more later recall than the same hours in one block. How the gaps should be arranged is a much less settled question, and review software is more confident about it than the evidence is.

A cluttered desk with a handwritten notebook, glasses, mouse and lamp illuminating the scene — FIG. 01The second session, days later, on material that has been allowed to fade a little.

Entries in this section

2 of the register’s 21 entries.

The full register ↗

Distributed practiceThe same total study time spread out beats the same time massed, across an unusually wide range of materials and ages.Replicates broadly
Expanding intervalsWhether growing gaps beat fixed gaps is much less settled than review software implies.Mixed

Other sections

Retrieval

Testing as a learning event.

Interleaving

Mixing problem types.

Cognitive Load

What working memory is competing for.

Forgetting

The curve and what it exploits.