The sleeping brain's influence on verbal memory: boosting resistance to interference.

PLoS One · 2009 · PMC2606059 · PMID 19127287

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

failed to reach significanceno p-value reported

There was, however, a potential problem in the no-interference conditions of that study: the data approached peak performance (i.e., ‘ceiling effect’), thereby limiting our confidence in the effect of sleep in the no-interference comparison, which failed to reach significance, and, by extension, limiting our confidence in the Sleep-by-Interference interaction.

also in 4,113 other papers

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.