Does a presentation's medium affect its message? PowerPoint, Prezi, and oral presentations.

PLoS One · 2017 · PMC5497950 · PMID 28678855

Europe PMC DOI

hedged sentences

0.0800

closest p · 1.6× alpha

0.0800

boldest claim

The sentences

marginally significantp = .08so close (0.05 < p ≤ 0.1)

These tests (Friedman ANOVAs) revealed significant effects for organization, exact p = .0005, engagement, exact p = .04, and effectiveness, exact p = .003; we found only a marginally significant effect for persuasion, exact p = .08.

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highly significantno p-value reported

For nearly all (80 of 96) of these ANOVAs, the results were highly significant, p s < .001.

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marginal significanceno p-value reported

The non- or marginal significance of some between-format comparisons (e.g., PowerPoint versus Prezi) is difficult to interpret.

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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.