skip to main content skip to footer

Measuring Multidimensional Latent Growth IRT

Author(s):
Rijmen, Frank
Publication Year:
2010
Report Number:
RR-10-24
Source:
ETS Research Report
Document Type:
Report
Page Count:
25
Subject/Key Words:
Item Response Theory (IRT), Growth, Longitudinal Data, Data Collection Designs, Graphical Models, Bifactor Model

Abstract

Fortunately, the computational burden can be overcome insofar as one is willing to incorporate assumptions on the latent structure, such as a bifactor or higher order structure within measurement occasions, and the assumption that the construct at a particular time point is independent of the construct at all previous time points given the construct at the immediately preceding time point (first order Markov assumption).

Read More