Sample demographics
| Informant information | Frequency | (%) |
|---|---|---|
| Team level | ||
| Individuals performing gatekeeping activities | ||
| Only gatekeepers | 2 | 6 |
| Internal and external communication stars but no gatekeepers | 16 | 50 |
| Gatekeepers, internal and external communication stars | 14 | 44 |
| Individual level | ||
| Gender | ||
| Male | 119 | 87 |
| Female | 18 | 13 |
| Age | ||
| 26–30 | 52 | 38 |
| 31–35 | 40 | 29 |
| 36–40 | 25 | 18 |
| 41–45 | 12 | 9 |
| Above 45 | 8 | 6 |
| Nationality | ||
| Japanese | 131 | 96 |
| Non-Japanese | 6 | 4 |
| Education level | ||
| Bachelor | 18 | 13 |
| Masters | 52 | 38 |
| Ph.D. (including courses and dissertation) | 67 | 49 |
| Individuals performing gatekeeping activities | ||
| Only gatekeepers | 2 | 6 |
| Internal and external communication stars but no gatekeepers | 16 | 50 |
| Gatekeepers, internal and external communication stars | 14 | 44 |
| Male | 119 | 87 |
| Female | 18 | 13 |
| 26–30 | 52 | 38 |
| 31–35 | 40 | 29 |
| 36–40 | 25 | 18 |
| 41–45 | 12 | 9 |
| Above 45 | 8 | 6 |
| Japanese | 131 | 96 |
| Non-Japanese | 6 | 4 |
| Bachelor | 18 | 13 |
| Masters | 52 | 38 |
| Ph.D. (including courses and dissertation) | 67 | 49 |