Relational memory: a daytime nap facilitates the abstraction of general concepts.

PLoS One · 2011 · PMC3217953 · PMID 22110606

Europe PMC DOI

hedged sentences

0.0500

closest p · 1.0× alpha

0.1800

boldest claim

The sentences

marginally significantp = 0.05actually significant

There was a marginally significant main effect for the nap condition (F 1,47 = 3.99, p = 0.05, η 2 = 0.08, figure 2b ) such that the nap participants correctly matched English meanings to more Chinese characters they had not previously seen.

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did not reach statistical significancep = 0.18not close (p > 0.1)

This may be due to greater tendency of the delayed nap participants to enter SWS and REM than the immediate nap participants (72% of the delayed nap participants compared to 53% of the immediate nap participants) although the difference did not reach statistical significance (Chi-square, p = 0.18).

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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.