Verified70% confidenceFactExact time
Psychologist George Miller proposed the "7±2" rule in 1956, positing that working memory capacity is approximately 7 chunks
4
Sources
70%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Building an AI Second Brain: The Complete NotebookLM + Obsidian Workflow
bilibiliAI_Express6/16/2026
Related Claims
VerifiedPsychologist George Miller proposed the "magical number 7±2" in 1956, revealing the bottleneck of human working memory.83% similarVerifiedClassic research by psychologist George Miller shows that human working memory can only process 7±2 chunks of information at a time.78% similarVerifiedCognitive load theory was proposed by Australian psychologist John Sweller in 1988, noting that human working memory can only process approximately 7 independent chunks of information at any one time.75% similarUnverifiedIn 1956, psychologist George Miller proposed the magical number 7±2 theory, and subsequent researcher Nelson Cowan revised this number to 3 to 5 chunks of information in 2001.70% similarUnverifiedGeorge Miller's 1956 paper "The Magical Number Seven, Plus or Minus Two" noted that humans can simultaneously process 4–7 chunks of information.66% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/370195API
curl https://kongchang.com/api/v1/knowledge/claims/370195MCP
get_claim(id=370195)