Verified80% confidenceFactExact time
Psychologist George Miller proposed the "magical number 7±2" in 1956, revealing the bottleneck of human working memory.
11
Sources
80%
Confidence
Long-term
Relevance
7/21/2026
First Seen
Sources
Related Claims
VerifiedPsychologist George Miller proposed the "7±2" rule in 1956, positing that working memory capacity is approximately 7 chunks83% similarVerifiedClassic research by psychologist George Miller shows that human working memory can only process 7±2 chunks of information at a time.82% 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 2001.80% similarUnverifiedNielsen延迟阈值模型的理论根源可追溯至20世纪60年代Robert Miller在IBM的人机交互研究以及George Miller关于人类工作记忆容量的论文75% similarUnverifiedGeorge Miller's 1956 paper "The Magical Number Seven, Plus or Minus Two" noted that humans can simultaneously process 4–7 chunks of information.74% similar
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