meta-analysis

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meta-analysis

a method by which the results of a number of quantitative studies can be analysed together to produce an overall impression from a field of research. This method lays emphasis on EFFECT SIZE as well as providing a SIGNIFICANCE TEST for the results. It has advantages over a conventional review in that it forces the analyst to evaluate the method and the results of a study more critically and that it provides an objective method for synthesizing the results from such studies. There are two basic approaches to meta-analysis. The first and most common approach involves combining the results from the studies in order to produce a single effect size, inferential statistic and probability. The second approach involves comparing studies which differ over some aspect of their method to see if the results of studies which utilized one design or measure differ from the results of studies employing a different design or method. By combining the results of a number of studies, meta-analysis can circumvent the problems of low STATISTICAL POWER which may characterize the individual studies. (See Cooper; 1998; Cooper and Hedges, 1994; Rosenthal, 1991)
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"Informal learning at work context: a meta-study of Brazilian scientific production", by Tiele Silveira Carrasco and Francielle Molon da Silva, is a meta-study that analyzes a set of 36 studies published in business journals on informal learning with no initial time delimitation until 2016.
(2014) in a meta-study, show that rurality (living in, or more specifically growing up in, rural areas) in and of itself is positively correlated with AD mortality.
A 2015 meta-study from Oxford University and Arabesque partners examined the results of over 200 studies and reports.
2005-2010 2007 Meta-study by Li et al., on ventilation and air transmission.
A meta-study of journal of College Counseling (ICC) author and article publication characteristics from 1998 to 2009.
(2010) for assessing journal publication trends is called a meta-study, and this methodology forms the basis of the present PSC 15-year review.
(2009) Becoming a nurse: a meta-study of early professional socialization and career choice in nursing.
Up to 10 percent compostable plastics mixing with conventional plastics in postconsumer recycling streams show no or negligible impact on the mechanical performance of the recyclates, according to the key finding of a meta-study published by European Bioplastics.
At last there's some reliable research that quantifies the stroke-busting effects of the nation's favourite drink, and a meta-study (the pooled results of many studies) shows that drinking three cups a day reduces the risk of having a stroke by 20%.
PNEUMONIA--A US meta-study by Kane (2007) reviewed data from 94 studies conducted between 1990-2006 and found that every additional patient per RN per shift was associated with a 7% increase in relative risk of hospital-acquired pneumonia.
The company reasons that the JAMA meta-study assumed omega-3 food is a drug in a questionable study design.
Ferreiro positions his as a "complete history" of the expedition, and, undoubtedly, he has succeeded as far as the details are concerned, but historians of science such as Bruno Latour (Science in Action, 1987) and, more recently, Neil Sailer, in his meta-study of the expedition (Measuring the New World, 2008) have upended our understanding of how scientific knowledge is made, especially involving expeditions far away from "centers of calculation." Such subtleties do not enter the picture here, but they also do not detract from the pleasure of the tale Ferreiro tells.