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Longitudinal polytomous IRT growth cu... |
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Is it possible to fit longitudinal IRT growth curves with polytomous items in Mplus? I have a test administered at multiple time points, and would like to examine individuals' growth curves of their ability levels to examine mean-level change over time. Here's a more thorough description of what I'm looking to do: https://stats.stackexchange.com/questions/104569/longitudinal-item-response-theory-models-in-r If this is possible, where can I find exemplar Mplus scripts to fit longitudinal IRT models to examine growth curves? |
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See UG ex6.15. |
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