Breaking bread produces bigger pies: An empirical extension of shared eating to negotiations and a commentary on woolley and fishbach (2019)
Psychological Science, 2020•journals.sagepub.com
Method Participants and design. We used G* Power (Faul, Erdfelder, Lang, & Buchner,
2007) to determine the sample size needed for a medium-large effect size (f=. 30). The
estimated effect size was consistent with the one in Study 2 of Woolley and Fishbach. We
found that 111 dyads were required for the experiment to be powered at 80%. A total of 240
undergraduate students (120 dyads) completed the experiment. We excluded seven dyads
in which at least one participant had negotiation training in the past (Brett, Shapiro, & Lytle …
2007) to determine the sample size needed for a medium-large effect size (f=. 30). The
estimated effect size was consistent with the one in Study 2 of Woolley and Fishbach. We
found that 111 dyads were required for the experiment to be powered at 80%. A total of 240
undergraduate students (120 dyads) completed the experiment. We excluded seven dyads
in which at least one participant had negotiation training in the past (Brett, Shapiro, & Lytle …
Method
Participants and design. We used G* Power (Faul, Erdfelder, Lang, & Buchner, 2007) to determine the sample size needed for a medium-large effect size (f=. 30). The estimated effect size was consistent with the one in Study 2 of Woolley and Fishbach. We found that 111 dyads were required for the experiment to be powered at 80%. A total of 240 undergraduate students (120 dyads) completed the experiment. We excluded seven dyads in which at least one participant had negotiation training in the past (Brett, Shapiro, & Lytle, 1998) and excluded another dyad in which one participant did not complete
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