| Ref. | Country | Age | Gender | University | Language |
| 1 | USA | 21 | Female | Private | Spanish |
| 2 | Germany | 21 | Female | Private | Spanish |
| 3 | Colombia | 21 | Male | Private | Spanish |
| 4 | Brazil | 22 | Male | Private | Spanish |
| 5 | Germany | 23 | Female | Private | Spanish |
| 6 | USA | 21 | Female | Private | Spanish |
| 7 | Finland | 23 | Female | Private | English |
| 8 | Germany | 25 | Male | Private | Spanish |
| 9 | Colombia | 20 | Female | Private | Spanish |
| 10 | Switzerland | 26 | Male | Private | Spanish |
| 11 | Spain | 24 | Male | Private | Spanish |
| 12 | USA | 20 | Female | Private | Spanish |
| 13 | USA | 20 | Female | Private | Spanish |
| 14 | Canada, Quebec | 21 | Female | Private | Spanish |
| 15 | Austria | 23 | Male | Private | Spanish |
| 16 | Czech Republic | 22 | Female | Private | Spanish |
| 17 | USA | 20 | Female | US Program | Spanish |
| 18 | USA | 20 | Female | US Program | Spanish |
| 19 | USA | 20 | Male | US Program | Spanish |
| 20 | Mexico | 25 | Female | Private | Spanish |
| 21 | France | 22 | Female | Private | Spanish |
| 22 | Spain | 21 | Female | Private | Spanish |
| 23 | Spain | 22 | Female | Private | Spanish |
| 24 | France | 23 | Male | Public | Spanish |
| 25 | USA | 20 | Male | US Program | English |
| 26 | USA | 20 | Female | US Program | English |
| 27 | USA | 19 | Male | US Program | English |
| 28 | USA | 20 | Female | US Program | Spanish |
| 29 | USA | 21 | Male | US Program | Spanish |
| 30 | USA | 21 | Female | US Program | English |
| 31 | USA | 21 | Male | US Program | English |
| 32 | Norway | 25 | Female | Public | Spanish |
| 33 | Germany | 24 | Female | Public | Spanish |
| 34 | Brazil | 32 | Female | Public | Spanish |