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The process or technique of synthesizing research results by using various statistical methods to retrieve, select, and combine results from previous separate but related studies.
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A meta-study finds that only 20% of the papers written on the subject find positive effects of minerals on economic performance and social wellbeing of people in mineral resource-rich countries, 40% of the papers find negative effects and the remaining 40% no effect.
A meta-study by the University of Oxford in 2014 revealed that 88% of research papers found a positive link between good corporate sustainability practices and stock performance.
A 2009 meta-study from a department of education found that students taking online courses outperformed their peers in traditional classrooms.
In a 2017 meta-study of research conducted in the aftermath of 15 mass shootings, it found that survivors and community members affected by the shooting often experienced depression and post-traumatic stress disorder (PTSD)--two risk factors for suicide.
Walking groups help adults reduce body fat and lower blood pressure, and can improve mood, according to a meta-study in the British Journal of Sports Medicine.
Her meta-study, recently published, concluded that, as TI cameras become easier to use, they may well have a role in the early diagnosis of issues such as mastitis and lameness.
A recent meta-study by the University of Minnesota's Institute of Child Development, commissioned by Landscape Structures Inc., finds that "children's early experiences and the settings they inhabit play a powerful role in shaping the adults they will become." The meta-study also finds that unstructured play provides children the opportunity to practice key social, cognitive and physical skills.
An academic meta-study of the relationship between employment and the circular economy, conducted in the Growth Within report, found a positive effect on jobs in scenarios where the circular economy is implemented.
But a new meta-study, which looked at over 20 such studies - on the impact of meditation on people's sense of compassion and other such attributes - found the positive effects were overstated in the studies, likely a result of biases and methodological weaknesses.
Already in 2015, the same research group published a meta-study in the journal "Intelligence", in which they identified brain regions - among them the prefrontal cortex - activation changes of which are reliably associated with individual differences in intelligence.
Rethinking and researching transformation in higher education: A meta-study of South African trends.