Ontology highlight
ABSTRACT:
SUBMITTER: Tijmstra J
PROVIDER: S-EPMC6820449 | biostudies-literature | 2019 Sep
REPOSITORIES: biostudies-literature
Psychometrika 20190221 3
The assumption of latent monotonicity is made by all common parametric and nonparametric polytomous item response theory models and is crucial for establishing an ordinal level of measurement of the item score. Three forms of latent monotonicity can be distinguished: monotonicity of the cumulative probabilities, of the continuation ratios, and of the adjacent-category ratios. Observable consequences of these different forms of latent monotonicity are derived, and Bayes factor methods for testing ...[more]