Barely Significant
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Altruistic punishment and between-group competition : evidence from n-person prisoner's dilemmas.

Hum Nat · 2012 · PMC3387358 · PMID 22623138

Europe PMCDOI
1
hedged sentence
0.0030
closest p · 0.1× alpha
0.0030
boldest claim

The sentences

highly significantp = 0.003actually significant
Mann-Whitney U-tests indicate no significant difference in cooperation levels between the two single-group conditions (U = 397.00; p = 0.864), and that the difference between the intergroup competition and single-group conditions was highly significant (U = 571.500; p = 0.003).

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