Collapsing or Not? A Practical Guide to Handling Sparse Responses for Polytomous Items

In ordinal data analysis, category collapse is the process of combining adjacent response options to create fewer response categories than were originally measured. When collapsing response categories, researchers need to be aware of inducing data-model misfit and of obtaining biased parameter estim...

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Bibliographic Details
Main Authors: Yale Quan, Chun Wang
Format: Article
Language:English
Published: PsychOpen GOLD/ Leibniz Institute for Psychology 2025-03-01
Series:Methodology
Subjects:
Online Access:https://doi.org/10.5964/meth.14303
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