Meta-analysis - Wikipedia
Meta-analysis is a method of synthesis of quantitative data from multiple independent studies addressing a common research question. An important part of this method involves computing a combined effect size across all of the studies.
Introduction to systematic review and meta-analysis - PMC
Apr 2, 2018 · A systematic review attempts to gather all available empirical research by using clearly defined, systematic methods to obtain answers to a specific question. A meta-analysis is the statistical process of analyzing and combining results from several similar studies.
How to conduct a meta-analysis in eight steps: a practical guide
Nov 30, 2021 · Meta-analysis is a central method for knowledge accumulation in many scientific fields (Aguinis et al. 2011c; Kepes et al. 2013). Similar to a narrative review, it serves as a synopsis of a research question or field.
Meta-Analytic Methodology for Basic Research: A Practical Guide
Mar 27, 2019 · Meta-analysis refers to the statistical analysis of the data from independent primary studies focused on the same question, which aims to generate a quantitative estimate of the studied phenomenon, for example, the effectiveness of the intervention (Gopalakrishnan and Ganeshkumar, 2013).
Study Design 101: Meta-Analysis - George Washington University
Sep 25, 2023 · Definition. A subset of systematic reviews; a method for systematically combining pertinent qualitative and quantitative study data from several selected studies to develop a single conclusion that has greater statistical power.
Systematic Reviews and Meta-Analysis: A Guide for Beginners
Jun 28, 2021 · Meta-analysis is a statistical tool that provides pooled estimates of effect from the data extracted from individual studies in the systematic review. The graphical output of meta-analysis is a forest plot which provides information on individual studies and the pooled effect.
Chapter 10: Analysing data and undertaking meta-analyses
Meta-analysis is the statistical combination of results from two or more separate studies. Potential advantages of meta-analyses include an improvement in precision, the ability to answer questions not posed by individual studies, and the opportunity to settle controversies arising from conflicting claims.
The 5 min meta-analysis: understanding how to read and
Jan 5, 2022 · In this editorial, we start with introducing the anatomy of a forest plot and present 5 tips for understanding the results of a meta-analysis.
A Guide to Conducting a Meta-Analysis - PubMed
This paper provides an introduction to when and how to conduct a meta-analysis. Several practical questions, such as advantages of meta-analysis over conventional narrative review and the number of studies required for a meta-analysis, are addressed. Common meta-analytic models are then introduced.
Meta-analysis and the science of research synthesis | Nature
Mar 8, 2018 · Meta-analysis is the quantitative, scientific synthesis of research results. Since the term and modern approaches to research synthesis were first introduced in the 1970s, meta-analysis...