What failure in collective decision-making tells us about metacognition.

Philos Trans R Soc Lond B Biol Sci · 2012 · PMC3318766 · PMID 22492752

Europe PMC DOI

hedged sentences

0.0050

closest p · 0.1× alpha

0.0800

boldest claim

The sentences

highly significantp = 0.005actually significant

The main effect of verbal communication was highly significant ( F 1,59 = 8.4; p = 0.005).

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approached significancep = 0.064so close (0.05 < p ≤ 0.1)

When communication was strictly non-verbal (NV condition), collective benefit marginally approached significance ( figure 5 c ; one sample t -test: t 14 = 2, p = 0.064).

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showed a trendp = 0.08so close (0.05 < p ≤ 0.1)

In the NV condition, the WCS model showed a trend to underestimate the dyad performance (one sample t -test: t 14 = 1.87, p = 0.08; figure 3 d ).

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