Study | Rank 1 | Rank 2 | Rank 3 |
---|---|---|---|
Smith and Lambert (2014) | USA (n = 11) | UK (n = 4) | Australia (n = 1) |
Alrasheedi et al. (2015) | USA (n = 6) | UK (n = 3) | China (n = 3) |
McCutcheon, Lohan, Traynor, and Martin (2015) | UK (n = 6) | USA (n = 4) | Thailand (n = 3 |
Nguyen, Barton, and Nguyen (2015) | USA (n = 16) | Australia (n = 2) | Canada/Philippines (n = 1 each) |
O’Flaherty and Phillips (2015) | USA (n = 23) | Australia (n = 2) | UK/Taiwan/Malaysia (n = 1 each) |
Boyle et al. (2016) | USA (n = 53) | UK/Taiwan (n = 11) | China (n = 7) |
Crompton, Burke, Gregory, and Gräbe (2016) | Taiwan (n = 21) | USA (n = 8) | UK/Singapore (n = 4 each) |
Hunsu et al. (2016) | Most in US or Canada (specific numbers not given) | ||
Betihavas, Bridgman, Kornhaber, and Cross (2016) | USA (n = 5) | ||
Kaliisa and Picard (2017) | Africa (n = 31) | ||
Webb et al. (2017) | USA (n = 25) | UK (n = 8) | Australia (n = 4) |
Atmacasoy and Aksu (2018) | Turkey (n = 74) | ||
Lundin et al. (2018) | USA (n = 321) | Australia (n = 31) | China (n = 26) |
Nikou and Economides (2018) | Taiwan (n = 12) | China (n = 6) | USA (n = 4) |