meta analysis definition type of research

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'meta-analysis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors.

Qualitative meta-analysis is an attempt to conduct a rigorous secondary qualitative analysis of primary qualitative findings. The prefix meta-, when added to the name of a subject or a discipline, forms the name of a new subject that analyzes the first one at a more abstract or higher level. 2023 Two meta-analyses, though, find that people lose a bit more weight on the Mediterranean diet than low-carb. Meta analysis can be misleading if the studies included are dissimilar in their research question or collect different types of outcome data. This article focuses on the presentation of qualitative meta-analysis as a method for reviewing qualitative studies. 2023 In this context, we may be forced to rely more and more heavily on meta-analyses (perhaps conducted by AI) but with less and less ability to factor expert judgment and methodological credibility into their evaluation. The first step in conducting a meta-analysis, as with any other empirical study, is the definition of the research question. 2023 One large-scale study called a meta-analysis concluded that increasing physical activity by way of step counts was effective for attaining modest weight loss. Stephanie Pappas, Scientific American, 30 Sep. 2023 Women tend to remember a few more dreams than men, on average, according to a 2008 meta-analysis of multiple dream studies. 2023 And having healthy relationships is integral to our physical well-being one meta-analysis showed that people with more supportive social relationships have a 50% lower risk of premature death. Meta-analytic means are weighted averages of individual study means.

2023 The news comes from a new meta-analysis published in the Journal of Epidemiology & Community Health, in which researchers compared adverse reactions to flu vaccines in males versus females. meta-analysis, which presumes homogeneity. Christina Jewett, New York Times, 10 Oct. Meta-analysts are encouraged to consider the methodological integrity of their studies in relation to central research processes, including identifying a set of primary research studies, transforming primary findings into initial units of data for a meta-analysis, developing categories or themes, and communicating findings. 2023 One recent meta-analysis reported higher heart attack risks in e-cigarette users than in those who did not vape or smoke anything. Recent Examples on the Web According to a wide-reaching meta-analysis published in 2021, Black people diagnosed with Covid were more likely to be admitted to intensive care units.

Meta analysis definition type of research