PT - JOURNAL ARTICLE AU - Sternberg, Saul TI - High-Speed Scanning in Human Memory AID - 10.1126/science.153.3736.652 DP - 1966 Aug 05 TA - Science PG - 652--654 VI - 153 IP - 3736 4099 - http://science.sciencemag.org/content/153/3736/652.short 4100 - http://science.sciencemag.org/content/153/3736/652.full SO - Science1966 Aug 05; 153 AB - When subjects judge whether a test symbol is contained in a short memorized sequence of symbols, their mean reaction-time increases linearly with the length of the sequence. The linearity and slope of the function imply the existence of an internal serial-comparison process whose average rate is between 25 and 30 symbols per second.