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Application of the Saltus Model to Stagelike Data: Some Applications and Current Developments

  • Karen Draney
  • Mark Wilson
Chapter
Part of the Statistics for Social and Behavioral Sciences book series (SSBS)

Abstract

The saltus model was developed in dichotomous form by Wilson (1989), and expanded to polytomous form by Draney (1996) as a method for detecting and analyzing discontinuities in performance that are hypothesized to occur as a result of rapidly occurring person growth (e.g.,Fischer, Pipp, & Bullock, 1984). Such discontinuities are often theorized to occur as the result of progression through developmental stages or levels. The most influential such theory was developed by Jean Piaget (e.g., Piaget, 1950; Inhelder & Piaget, 1958). Although Piagetian theory has been somewhat controversial of late (e.g., Lourenço & Machado, 1996), there is still a strong interest in stagelike development in a number of areas, including moral and ethical reasoning (e.g., Dawson, 2002; Kohlberg & Candee, 1984), evaluative reasoning (e.g., Dawson-Tunik, 2002; Armon, 1984), adult development (e.g., Commons et al., 1998; Fischer, Hand, & Russel, 1984), and cognitive development (e.g., Bond, 1995b,a; Bond & Bunting, 1995; Demetriou & Efklides, 1989, 1994; Hiele, 1986).

Keywords

Polytomous Item Person Class Saltus Model Concrete Item Piagetian Theory 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science + Business Media, LLC 2007

Authors and Affiliations

  • Karen Draney
    • 1
  • Mark Wilson
    • 1
  1. 1.University of CaliforniaBerkeleyUSA

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