Manolov, R., Jamieson, M., Evans, J. and Sierra, V. (2016) A discussion of alternatives for establishing empirical benchmarks for interpreting single-case effect sizes. Psicológica, 37(2), pp. 209-234.
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Publisher's URL: http://www.uv.es/psicologica/articulos2.16/6Manolov.pdf
Abstract
In this paper we reflect on the numerous calls for the development of benchmarks for interpreting effect size indices, reviewing several possibilities. Such benchmarks are aimed to provide criteria so that analysts can judge whether the size of the effect observed is rather “small”, “medium” or “large”. The context of this discussion is single-case experimental designs, for which a great variety of procedures have been proposed, with their different nature (e.g., being based on amount of overlap vs. a standardized mean difference) posing challenges to interpretation. For each of the alternatives discussed we point at their strengths and limitations. We also comment how such empirical benchmarks can be obtained, usually by methodologists, and illustrate how these benchmarks can be used by applied researchers willing to have more evidence on the magnitude of effect observed and not only whether an effect is present or not. One of the alternatives discussed is a proposal we make in the current paper. Although it has certain limitations, as all alternatives do, we consider that it is worth discussing it and the whole set of alternatives in order to advance in interpreting effect sizes, now that computing and reporting their numerical values is (or is expected to be) common practice.
Item Type: | Articles |
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Additional Information: | This work was partially supported by the Agència de Gestió d’Ajust Universitaris i de Recerca de la Generalitat de Catalunya grant 2014SGR71. |
Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Jamieson, Dr Matthew and Evans, Professor Jonathan |
Authors: | Manolov, R., Jamieson, M., Evans, J., and Sierra, V. |
College/School: | College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Mental Health and Wellbeing |
Journal Name: | Psicológica |
Publisher: | Universitat de Valencia |
ISSN: | 0211-2159 |
ISSN (Online): | 1576-8597 |
Copyright Holders: | Copyright © 2016 The University of Valencia |
First Published: | First published in Psicológica 37(2): 209-234 |
Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
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