Полученные выводы основаны на научн

Полученные выводы основаны на научном эксперименте с участием добровольцев, которых попросили описать их ожидания от предполагаемой поездки в 80 различных стран мира

Результаты (английский) 1:

The findings are based on a scientific experiment involving volunteers, who were asked to describe their expectations of the intended visit in 80 countries around the world

Результаты (английский) 2:

The findings are based on a scientific experiment with volunteers who were asked to describe their expectations for the proposed travel in 80 different countries

Результаты (английский) 3:

The findings are based on a scientific experiment with the volunteers, which has been asked to describe their expectations from the anticipated travel to 80 different countries of the world