Meta-analysis in psychological research.

Meta-analysis is a research methodology that aims to quantitatively integrate the results of a set of empirical studies about a given topic. With this purpose, effect-size indices are obtained from the individual studies and the characteristics of the studies are coded in order to examine their rela...

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Autores principales:	Julio Sánchez-Meca, Fulgencio Marín-Martínez
Formato:	article
Lenguaje:	EN ES
Publicado:	Universidad de San Buenaventura 2010
Materias:	Meta-analysis effect size fixed-effects models random-effects models mixed-effects models Psychology BF1-990
Acceso en línea:	https://doaj.org/article/d622fab392e146238a02ab7eaa9affc4
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spelling	oai:doaj.org-article:d622fab392e146238a02ab7eaa9affc42021-11-25T02:23:58ZMeta-analysis in psychological research.10.21500/20112084.8602011-20842011-7922https://doaj.org/article/d622fab392e146238a02ab7eaa9affc42010-06-01T00:00:00Zhttps://revistas.usb.edu.co/index.php/IJPR/article/view/860https://doaj.org/toc/2011-2084https://doaj.org/toc/2011-7922Meta-analysis is a research methodology that aims to quantitatively integrate the results of a set of empirical studies about a given topic. With this purpose, effect-size indices are obtained from the individual studies and the characteristics of the studies are coded in order to examine their relationships with the effect sizes. Statistical analysis in meta-analysis requires the weighting of each effect estimate as a function of its precision, by assuming a fixed- or a random-effects model. This paper outlines the steps required for carrying out the statistical analyses in a meta-analysis, the different statistical models that can be assumed, and the consequences of the assumptions in interpreting their results. The statistical analyses are illustrated with a real example.Julio Sánchez-MecaFulgencio Marín-MartínezUniversidad de San BuenaventuraarticleMeta-analysiseffect sizefixed-effects modelsrandom-effects modelsmixed-effects modelsPsychologyBF1-990ENESInternational Journal of Psychological Research, Vol 3, Iss 1 (2010)
institution	DOAJ
collection	DOAJ
language	EN ES
topic	Meta-analysis effect size fixed-effects models random-effects models mixed-effects models Psychology BF1-990
spellingShingle	Meta-analysis effect size fixed-effects models random-effects models mixed-effects models Psychology BF1-990 Julio Sánchez-Meca Fulgencio Marín-Martínez Meta-analysis in psychological research.
description	Meta-analysis is a research methodology that aims to quantitatively integrate the results of a set of empirical studies about a given topic. With this purpose, effect-size indices are obtained from the individual studies and the characteristics of the studies are coded in order to examine their relationships with the effect sizes. Statistical analysis in meta-analysis requires the weighting of each effect estimate as a function of its precision, by assuming a fixed- or a random-effects model. This paper outlines the steps required for carrying out the statistical analyses in a meta-analysis, the different statistical models that can be assumed, and the consequences of the assumptions in interpreting their results. The statistical analyses are illustrated with a real example.
format	article
author	Julio Sánchez-Meca Fulgencio Marín-Martínez
author_facet	Julio Sánchez-Meca Fulgencio Marín-Martínez
author_sort	Julio Sánchez-Meca
title	Meta-analysis in psychological research.
title_short	Meta-analysis in psychological research.
title_full	Meta-analysis in psychological research.
title_fullStr	Meta-analysis in psychological research.
title_full_unstemmed	Meta-analysis in psychological research.
title_sort	meta-analysis in psychological research.
publisher	Universidad de San Buenaventura
publishDate	2010
url	https://doaj.org/article/d622fab392e146238a02ab7eaa9affc4
work_keys_str_mv	AT juliosanchezmeca metaanalysisinpsychologicalresearch AT fulgenciomarinmartinez metaanalysisinpsychologicalresearch
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Meta-analysis in psychological research.

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