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. 1999 Sep 14;96(19):10927–10932. doi: 10.1073/pnas.96.19.10927

Table 3.

Z-statistics (P values) for Wilcoxon signed rank test for pairs of session averages of involved and uninvolved treatments in elicited (hypothetical) sealed bids

Round 1 Round 2 Rounds 1 and 2 pooled
Single and 30 1.54 .84 1.91
 pooled (.123) (.400) (.056)
8 pairs 8 pairs 16 pairs
Single only 1.48 .535 1.68
(.138) (.593) (.093)
5 pairs 3 pairs 8 pairs
30 only .535 .677 .981
(.593) (.498) (.326)
3 pairs 5 pairs 8 pairs