It turned out that the people who were assigned to talk to strangers didn't think they were going to like it, but they turned out to be much happier at the end of the task than the people who just rode the subway keeping to themselves.
Resultó que las personas que tuvieron que hablar con desconocidos pensaron que no iban a disfrutarlo, pero al final de la tarea resultaron sentirse más felices que aquellos que estuvieron en el metro sin interactuar con otros.