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Polytomy

Known as: Polytomous 
In biology, a polytomy /pəˈlɪtəmi/ is a section of a phylogeny in which the relationships cannot be fully resolved to dichotomies, thus giving many… 
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Related topics

Related topics

9 relations
CladisticsComputational phylogeneticsGene poolMolecular clock

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2012
Review
2012
Differential Item Functioning classification for polytomously scored items
Differential item functioning (DIF) refers to a difference in the way a test item functions for comparable groups of test takers… 
2012
2012
A factor analytic comparison of dichotomous and polytomous response categories
2011
2011
Statistical classification and principles of human learning
Statistical classification and principles of human learning In the application of any statistical analysis method to the modeling… 
2010
2010
Development and Evaluation of a Confidence-Weighting Computerized Adaptive Testing
The purpose of this study was to examine whether the efficiency, precision, and validity of computerized adaptive testing (CAT… 
2008
2008
Investigating DIF and extensions using an LLTM approach and also an individual differences approach: an international testing context 1
This study intends to investigate two ways to generalise differential item functioning (DIF) by grouping of items that share a… 
2006
2006
Practical Implications of Using Different Tests of Measurement Invariance for Polytomous Measures
Using male/female and Caucasian/African American comparison groups, this study examined the practical ramifications of using two… 
2006
2006
A New Family of BAN Estimators for Polytomous Logistic Regression Models based on ϕ- Divergence Measures
In this paper we study polytomous logistic regression model and the asymptotic properties of the minimum ϕ-divergence estimators… 
2005
2005
Using Five Procedures to Detect DIF with Passage-Based Testlets
The objective of this study was to assess differential item functioning (DIF) for passage-based reading testlets across two… 
Review
1994
Review
1994
Book Review: Computer Program Exchange
The linear factor analysis model produces biased results when applied to polytomous data (Bernstein & 
1993
1993
An Introduction to Polytomous Item Response Theory Models.
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