🔬 Discovery

Miller's law

The Magical Number Seven, Plus or Minus Two

Date
1956 · confidence high
Place
Cambridge, Massachusetts, United States
Credited to
George Armitage Miller
Field
Life & health

What was discovered

A cognitive psychology paper arguing that human short-term memory has a limited capacity of roughly seven items (plus or minus two), one of the most cited publications in psychology; written by George A. Miller.

What it led to

  • Foundation of cognitive psychology research on working memory
  • Design principles for interfaces and information presentation
  • The concept of chunking in learning

Links

Sources✓ verified 2026-09-28