A Short Note on Obtaining Point Estimates of the IRT Ability Parameter With MCMC Estimation in Mplus: How Many Plausible Values Are Needed?

Plausible values can be used to either estimate population-level statistics or compute point estimates of latent variables. While it is well known that five plausible values are usually sufficient for accurate estimation of population-level statistics in large-scale surveys, the minimum number of pl...

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Veröffentlicht in:	Educational and psychological measurement 2019-04, Vol.79 (2), p.272-287
Hauptverfasser:	Luo, Yong, Dimitrov, Dimiter M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bayesian Statistics College Entrance Examinations Computer Software Correlation Economic models Estimates Foreign Countries Item Response Theory Markov Processes Maximum Likelihood Statistics Monte Carlo Methods Outcome Measures Scores Simulation Statistical Bias Test Items
Online-Zugang:	Volltext
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