1 results match your criteria: "National Center for PTSD and Center for Innovation to Implementation (Ci2i)[Affiliation]"
Using Projective IRT to Evaluate the Effects of Multidimensionality on Unidimensional IRT Model Parameters.
Multivariate Behav Res
December 2024
National Center for PTSD and Center for Innovation to Implementation (Ci2i), VA Palo Alto Health Care System, Menlo Park, CA, USA.
The application of unidimensional IRT models requires item response data to be unidimensional. Often, however, item response data contain a dominant dimension, as well as one or more nuisance dimensions caused by content clusters. Applying a unidimensional IRT model to multidimensional data causes violations of local independence, which can vitiate IRT applications.
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