Short-term retention of sequentially presented digits as a function of interdigit interval, digit duration, and series length.

1 January 1968

journal article
Published by American Psychological Association (APA) in Journal of Experimental Psychology

Vol. 78 (1) , 174-178
https://doi.org/10.1037/h0026168

Abstract

ATTEMPTED TO FURTHER DELINEATE THE EFFECTS OF DIGIT DURATION, INTERDIGIT INTERVAL, AND SERIES LENGTH UPON RETENTION. 10 SS WERE PRESENTED SERIES OF 4, 6, 8, 10, 12, AND 14 DIGITS IN ASCENDING (4-14) AND DESCENDING (14-4) ORDER, AT DURATIONS AND INTERVALS OF 100, 200, 500, AND 1000 MSEC. PERCENTAGE OF DIGITS RECALLED INCREASED AS A FUNCTION OF INCREASED INTERVAL OR DURATION. THE DATA INDICATED THAT SS PERCEIVED AND ENCODED NEW INFORMATION WHILE THEY SIMULTANEOUSLY ORGANIZED AND REHEARSED PREVIOUSLY PRESENTED INFORMATION. SHORT-TERM MEMORY HAS A LIMITED CAPACITY, INFLUENCED BY PRESENTATION RATE, AND EXCEEDED WHENEVER STIMULI WERE RECEIVED AT A RATE HIGHER THAN ABOUT 2/SEC. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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