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Rate of addition as a function of difficulty and age

Author

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  • James Birren
  • Jack Botwinick

Abstract

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Suggested Citation

  • James Birren & Jack Botwinick, 1951. "Rate of addition as a function of difficulty and age," Psychometrika, Springer;The Psychometric Society, vol. 16(2), pages 219-232, June.
    • Handle: RePEc:spr:psycho:v:16:y:1951:i:2:p:219-232
    DOI: 10.1007/BF02289117
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    References listed on IDEAS

    as
    1. M. Richardson, 1936. "The relation between the difficulty and the differential validity of a test," Psychometrika, Springer;The Psychometric Society, vol. 1(2), pages 33-49, June.
    2. H. Landahl, 1940. "Time scores and factor analysis," Psychometrika, Springer;The Psychometric Society, vol. 5(1), pages 67-74, March.
    3. J. Guilford, 1937. "The psychophysics of mental test difficulty," Psychometrika, Springer;The Psychometric Society, vol. 2(2), pages 121-133, June.
    Full references (including those not matched with items on IDEAS)

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