| Journal: | International journal of psychological research |
| Database: | CLASE |
| System number: | 000355306 |
| ISSN: | 2011-2084 |
| Authors: | Sánchez-Meca, Julio1 Marín-Martínez, Fulgencio2 |
| Institutions: | 1Universidad de Murcia, Facultad de Psicología, Murcia. España 2Universidad de Murcia, Murcia. España |
| Year: | 2010 |
| Season: | Ene-Jun |
| Volumen: | 3 |
| Number: | 1 |
| Pages: | 150-162 |
| Country: | Colombia |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico |
| English abstract | 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 |
| Disciplines: | Psicología |
| Keyword: | Historia y filosofía de la psicología, Meta-análisis, Investigación, Metodología |
| Full text: | Texto completo (Ver HTML) |
