Attention: Posner and Mitchell 1967
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| This experiment uses subtractive analysis to determine how long it takes to make a decision about two letters, dependent on how complex a category discrimination is necessary.
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| Authors |
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Posner M.I., Mitchell R.F. |
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| APA Classification |
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Attention (2346) |
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| Keywords |
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Classification, Depth of processing, Substractive method of analysis, Subtractive analysis of levels of processing |
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| Summary |
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This experiment uses subtractive analysis to determine how long it takes to make a decision about two letters, dependent on how complex a category discrimination is necessary. |
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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 | | Posner, M.J., & Mitchell, R.F. (1967). Chronometric analasys of classification. Psychological Review, 74, 392-409. |
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| Cited in | | Psychological Review |
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| Abstract | | This series of studies represents an effort to extend the subtractive method of Donders to the analsysis of depth of processing in simple classification tasks. The stimuli are always pairs of items (letters, nonsense forms, digits) to which S must respond "same" or "different" as quickly as possible. Levels of instruction are physical identity (e.g., AA), name identity (e.g., Aa), and rule identity (e.g., both vowels). By use of the subtractive method, times for matches at leach level are analyzed. The emphasis is not placed upon the times themselves but upon their relevance for understanding the operations and mechanisms involved in perceptual matching, naming, and classifying. |
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| Catalogued From |
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STEP (System for Teaching Experimental Psychology)
http://step.psy.cmu.edu/scripts/Attention/PosnerMitchell1967.html (external link) |
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| Script Name | | http://step.psy.cmu.edu/scripts/ZipFiles/posner_mitchell.zip |
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| Sample Data Files | | http://step.psy.cmu.edu/scripts/ZipFiles/posner_mitchellData.zip |
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| Catalogue Record Modified |
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06/12/2005 |
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| Record Modified By |
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Dipl.-Psych. C. Rebetez |
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