Latent class analysis (LCA) provides a means of identifying a mixture of subgroups in a population measured by multiple categorical indicators. Latent transition analysis (LTA) is a type of LCA that facilitates addressing research questions concerning stage-sequential change over time in longitudinal data. Both approaches have been used with increasing frequency in the social sciences. The objective of this article is to illustrate data augmentation (DA), a Markov chain Monte Carlo procedure that can be used to obtain parameter estimates and standard errors for LCA and LTA models. By use of DA it is possible to construct hypothesis tests concerning not only standard model parameters but also combinations of parameters, affording tremendous flexibility. DA is demonstrated with an example involving tests of ethnic differences, gender differences, and an Ethnicity x Gender interaction in the development of adolescent problem behavior.
Using data augmentation to obtain standard errors and conduct hypothesis tests in latent class and latent transition analysis.
Stephanie T. Lanza,L. Collins,J. Schafer,Brian P. Flaherty
Published 2005 in Psychological methods
ABSTRACT
PUBLICATION RECORD
- Publication year
2005
- Venue
Psychological methods
- Publication date
2005-03-01
- Fields of study
Mathematics, Medicine
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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