The authors of this paper are Japanese, and the participants are local university students. I would assume suppression of anger is the norm for most people involved in this study, since Japanese culture generally aims to preserve harmony.
This is in contrast with some cultures that are more direct in their communications and perhaps not suppressing much at all. It's possible that they would see different results when the experiment is done with a more diverse group of participants.
Need to clarify which society is meant by "our".
The authors of this paper are Japanese, and the participants are local university students. I would assume suppression of anger is the norm for most people involved in this study, since Japanese culture generally aims to preserve harmony.
This is in contrast with some cultures that are more direct in their communications and perhaps not suppressing much at all. It's possible that they would see different results when the experiment is done with a more diverse group of participants.