Multivariate and Mixture Distribution Rasch Models 2007
DOI: 10.1007/978-0-387-49839-3_7
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Application of the Saltus Model to Stagelike Data: Some Applications and Current Developments

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Cited by 12 publications
(12 citation statements)
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“…The Saltus model can also be specified for polytomous items (Draney & Wilson, 2007;Wilson & Draney, 1997). It is a constrained version of the mixture-distribution Rasch model (Rost, 1990;von Davier & Rost, 1995).…”
Section: Measuring Group Differences In Growthmentioning
confidence: 99%
See 1 more Smart Citation
“…The Saltus model can also be specified for polytomous items (Draney & Wilson, 2007;Wilson & Draney, 1997). It is a constrained version of the mixture-distribution Rasch model (Rost, 1990;von Davier & Rost, 1995).…”
Section: Measuring Group Differences In Growthmentioning
confidence: 99%
“…Even within seemingly homogeneous groups of learners, different trajectories may emerge, based on differences between students regarding how they acquire knowledge. Wilson's (1989) Saltus model addresses these different growth rates in different populations (Draney & Wilson, 2007; …”
Section: Multiple Group Irt Growth Models-measuring Change In Multiplmentioning
confidence: 99%
“…The Saltus model can also be specified for polytomous items (Draney & Wilson, 2007;Wilson & Draney, 1997). It is a constrained version of the mixture-distribution Rasch model (Rost, 1990;von Davier & Rost, 1995).…”
Section: Measuring Group Differences In Growthmentioning
confidence: 99%
“…Even within seemingly homogeneous groups of learners, different trajectories may emerge, based on differences between students regarding how they acquire knowledge. Wilson's (1989) Saltus model addresses these different growth rates in different populations (Draney & Wilson, 2007;Wilson & Draney, 1997), multidimensional IRT (MIRT) models address them in multiple groups (Xu & von Davier, 2006), and growth-curve models address them in an IRT mixture (Meiser, Hein-Eggers, Rompe, & Rudinger, 1995;Rijmen, de Boeck, & Maas, 2005).…”
Section: Measuring Change In Multiple Populationsmentioning
confidence: 99%
“…But also, the notation "6c.1+" indicates the location of the 1+ threshold for iItem 6c. two strategy groups reacted differently to the items, a saltus model (Draney & Wilson, 2007), could be used. Both of these would give information about the size of the two (unobserved) groups, their membership, and item (and item-by-category) differences between them.…”
Section: Further Developmentsmentioning
confidence: 99%