Search found 2 matches

by tthkhanh
Tue Dec 17, 2024 10:35 am
Forum: Help
Topic: Item Response Theory in Jamovi - Multidimensional 2-PL Model ?
Replies: 1
Views: 33578

Item Response Theory in Jamovi - Multidimensional 2-PL Model ?

Hello, I am looking to use Item Response Theory with Jamovi. I want to test unidimensionality of my Likert scale, so I think of comparing the fit indices of the unidimensional model and the multidimensional model. I also want to assess both item discrimination (a) and item difficulty (b). Are there ...
by tthkhanh
Mon Dec 09, 2024 10:49 am
Forum: Statistics
Topic: Item Response Theory in Jamovi - Multidimensional 2-PL Model ?
Replies: 0
Views: 116653

Item Response Theory in Jamovi - Multidimensional 2-PL Model ?

Hello, I am looking to use Item Response Theory with Jamovi. I want to test unidimensionality of my Likert scale, so I think of comparing the fit indices of the unidimensional model and the multidimensional model. I also want to assess both item discrimination (a) and item difficulty (b). Are there ...