Memory: Sperling 1960
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| This experiment uses letters and tones to rest memory.
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| Authors |
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Sperling G. |
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| APA Classification |
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Learning and Memory (2343) |
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| Keywords |
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Vision, Memory, Visual Presentations, Perception |
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| Summary |
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Participants were presented with a display of two lines of letters (with three or four letters per line). Then they were given a tone (either high or low) that indicated which line they were supposed to remember. |
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| Platform | | E-Prime v1.1 SP3 / 1.1.4.1 |
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| Base Hardware Requirements | | - Microsoft Windows 2000/XP
- Pentium Processor 1GHz or higher
- 512MB RAM or higher
- 4X AGP Video with 64MB RAM or higher
- Sound Blaster LIVE! Sound Card
- CD-ROM
- USB or Parallel Port
- Serial Port**
- Internet Connection
** For use with the PST Deluxe Serial Response Box. |
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| Citation | | Sperling, G. (1960). The information available in brief visual presentations. Psychological Monographs, 74 (11, Whole No. 498). |
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| Cited in | | Psychological Monographs |
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| Abstract | | Using a 2-field, mirror tachistoscope with a mechanical timer, 5 trained Os were used in a series of experiments to show that the span of immediate memory remains relatively invariant under a wide range of conditions. With exposure of 15-500 msec., the average number of symbols correctly reported was slightly over 4 letters, and stimuli with fewer than this number of symbols were almost universally reported correctly. To overcome immediate memory limitations, only partial reporting of stimuli exposed for 50 msec. was required. Each O was found to give partial reports that were more accurate than whole reports for the same material. The high level of accuracy in partial reporting was found to be independent of the order of report and the position of symbols in the total stimulus but was dependent upon the O's ability to read a visual image that persisted for a brief portion of a second after cessation of the stimulus. From Psyc Abstracts 36:01:1BC29S. (PsycINFO Database Record (c) 2004 APA, all rights reserved) |
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| Catalogued From |
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STEP (System for Teaching Experimental Psychology)
http://step.psy.cmu.edu/scripts/Memory/Sperling1960.html (external link) |
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| Script Name | | http://step.psy.cmu.edu/scripts/ZipFiles/Sperling1960.zip |
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| Sample Data Files | | http://step.psy.cmu.edu/scripts/ZipFiles/Sperling1960Data.zip |
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| Catalogue Record Modified |
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11/11/2005 |
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| Record Modified By |
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Dipl.-Psych. C. Rebetez |
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