Module 9: Single-level and multilevel models for ordinal responses (Concepts)

Steele, Fiona (2011) Module 9: Single-level and multilevel models for ordinal responses (Concepts). [Teaching Resource]

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Abstract

n Module 6 we saw how multiple regression models for continuous responses can be generalised to handle binary responses, and in Module 7 these models were further extended for the analysis of binary data with a two-level hierarchical structure. This module considers standard (single-level) and multilevel models for ordinal categorical response variables, where the numeric codes assigned to categories imply some ordering. We begin with a cription of two approaches for the analysis of single-level ordinal data:

the cumulative logit model which is appropriate for variables such as Likert scale items, where respondents are asked to indicate their strength of agreement with a statement from 'strongly agree' to 'strongly disagree', and educational tests where marks are available as grades rather than percentage scores; and
the continuation ratio model for ordinal responses that can be viewed as the result of a series of sequential decisions or actions (e.g. highest level of educational qualifications).
We then show how the cumulative logit model can be extended for the analysis of data with a two-level hierarchical structure.

Item Type: Teaching Resource
Subjects: 5. Quantitative Data Handling and Data Analysis > 5.5 Regression Methods
5. Quantitative Data Handling and Data Analysis > 5.6 Multilevel Modelling
Depositing User: LEMMA user
Date Deposited: 05 Dec 2011 15:44
Last Modified: 14 Jul 2021 13:55
URI: https://eprints.ncrm.ac.uk/id/eprint/2007

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