Watch the sequence of icons carefully. Then, drag and drop them in the correct order. The number of items increases with each level: 5 → 7 → 9 → 11
Miller's Law states that the average person can hold 7±2 items in working memory. Notice how it gets harder as we exceed this limit!
Formulated by George A. Miller, 1956
Miller's Law holds that the average person can only hold about seven items, plus or minus two, in short-term working memory at once.
Psychologist George A. Miller described the limit in his influential 1956 paper 'The Magical Number Seven, Plus or Minus Two.'
Designers apply it by chunking phone numbers into groups, limiting primary navigation to five to seven items, and breaking dense dashboards into digestible sections instead of one long list.