Esuka Watanabe

TL;DR: In this paper, the authors examined a costly signaling model of human apology, which assumes that an unintentional transgressor is more motivated to restore the relationship with the victim than an intentional transgressor who depreciates the relationship.

TL;DR: In this paper, the authors examined whether violations of honesty norms would induce costly third-party punishments, and found that participants were willing to incur more cost to punish the dishonest trustee than the trustee who allocated the resource unequally but had not sent the dishonest message.

TL;DR: This article investigated the effect of costly signalling model of apology across seven countries (Chile, China, Indonesia, Japan, the Netherlands, South Korea and the U.S.) and found that costly apologies were perceived to be significantly more sincere than no cost apologies in all seven countries.

TL;DR: In this article, after an unintentional transgression, participants were provided with an opportunity to send an apology message to their partner (in Experiment 1 and 2) or to privately deduct some amount from their own reward (in Experiments 2 and 3).

TL;DR: In this article, the authors examined whether the unfair allocation decision would also prompt participants to make a charitable donation and found that those who feel guilty or possibly shame due to their unintentional transgression would use charitable donation as a means to alleviate the aversive feeling.