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Effect size measures for multilevel models: definition, interpretation, and TIMSS example

Large-scale assessments in education, 2018-07, Vol.6 (1), p.1-11, Article 8 [Peer Reviewed Journal]

The Author(s) 2018 ;Large-scale Assessments in Education is a copyright of Springer, (2018). All Rights Reserved. © 2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2196-0739 ;EISSN: 2196-0739 ;DOI: 10.1186/s40536-018-0061-2

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Title:
Effect size measures for multilevel models: definition, interpretation, and TIMSS example
Author: Lorah, Julie
Subjects: Achievement Tests ; Assessment ; Definitions ; Education ; Educational Policy and Politics ; Effect Size ; Elementary Secondary Education ; Foreign Countries ; Hierarchical Linear Modeling ; Humanities ; International Assessment ; Law ; Mathematics Achievement ; Mathematics Tests ; Methodology ; Multilevel model ; Regression (Statistics) ; Science Achievement ; Science Tests ; Statistics for Social Sciences ; Testing and Evaluation ; TIMSS
Is Part Of: Large-scale assessments in education, 2018-07, Vol.6 (1), p.1-11, Article 8
Description: Effect size reporting is crucial for interpretation of applied research results and for conducting meta-analysis. However, clear guidelines for reporting effect size in multilevel models have not been provided. This report suggests and demonstrates appropriate effect size measures including the ICC for random effects and standardized regression coefficients or f 2 for fixed effects. Following this, complexities associated with reporting R 2 as an effect size measure are explored, as well as appropriate effect size measures for more complex models including the three-level model and the random slopes model. An example using TIMSS data is provided.
Publisher: New York: Springer US
Language: English
Identifier: ISSN: 2196-0739
EISSN: 2196-0739
DOI: 10.1186/s40536-018-0061-2
Source: Open Access: DOAJ Directory of Open Access Journals
Education Resources Information Center (ERIC)
SpringerOpen
AUTh Library subscriptions: ProQuest Central
ROAD: Directory of Open Access Scholarly Resources

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Effect size measures for multilevel models: definition, interpretation, and TIMSS example

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