Method of successive dichotomizations: An improved method for estimating measures of latent variables from rating scale data.

The most commonly used models for estimating measures of latent variables from polytomous rating scale data are the Andrich rating scale model and the Samejima graded response model. The Andrich model has the undesirable property of estimating disordered rating category thresholds, and users of the...

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Bibliographic Details
Main Authors: Chris Bradley, Robert W Massof
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2018-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC6193733?pdf=render