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Note that 12.5% of Mason & Suri’s (2012) participants did not report their gender.
| Recruitment platform | Sample | n | % female | Average age (SD) | |
|---|---|---|---|---|---|
| Shermer & Levitan (2014) | MTurk | US | 2,737 | 40% | 29.9 (9.6) |
| Germine et al. (2012) | TextMyBrain | World | 4,080 (study 1) | 65% | 26 (11) |
| Mason & Suri (2012) | MTurk | World | 2,896 (5 studies) | 55% | 32 |
| Buhrmester, Kwang & Gosling (2011) | MTurk | World | 3,006 | 55% | 32.8 (11.5) |
