Daylight and School Performance in European Schoolchildren.

Int J Environ Res Public Health · 2020 · PMC7795157 · PMID 33396514

Europe PMC DOI

hedged sentence

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highly significantno p-value reported

The window-to-floor area ratio is a highly significant indicator of school performance, indicating that a larger window area for a given room size has a positive impact on grades and achievement.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.