DINA (CDM) model in R with CDM package
Автор: statsguidetree
Загружено: 2020-11-08
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Tutorial of how to run a DINA model in R with the CDM package.
One clarification, if the RMSEA is less than.1 the item fit is moderate. Kunina-Habenicht et al. (2009) RMSEA or Root Mean Square Error of Approximation of.05 is good, less than .1 is moderate, greater than .1 is poor. Lee et al. (2012) IDI or Item Discrimination Index is equal to 1-slip-guess. IDI close to 1 is good, close to 0 is low, and negative would be a violation of assumption.
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