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Bayesian Continuous-Time Rasch Models

delete2019-08-01
delete27
PRE
AI
M
Martin Hecht *
C
Charles Driver
M
Manuel C. Voelkle
DOI:10.1037/met0000205delete
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摘要

摘要

En 中文
Continuous-time modeling offers a flexible approach to analyze longitudinal data from designs with unequally spaced measurement occasions. Measurement models are popular tools in psychological research to control for measurement error. The objective of the present article is to introduce the continuous-time Rasch model, a combination of the Rasch model and a continuous-time dynamic model. In a series of simulations we demonstrate the performance of the proposed model and that ignoring individual unequal time interval lengths, choosing a wrong measurement model, and selecting a wrong analysis strategy results in poor parameter estimates. The newly proposed continuous-time Rasch model overcomes these problems and offers a powerful new approach to longitudinal analysis with dichotomous items. A step-by-step tutorial on how to run a continuous-time Rasch model with the R package ctsem and an illustrative empirical example is given.
Keyword:
longitudinal data
autoregressive models
continuous-time models
Rasch model
Bayesian analysis

期刊

Psychological Methods 封面图
Psychological Methods
IF:
7.8
论文数:
1.3K
被引数:
2.6W

机构

H
humboldt university of berlin
学者数:
265
论文数: 134
被引数: 8.7K
M
Max Planck Society
学者数:
520
论文数: 203
被引数: 2.3W
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