He divided the participants in three groups: the first ones had to give their answers immediately; the second group could consciously, actively think about the problem, and then they had to decide; and the third group was distracted for a bit with a completely different task, and then they had to answer.
Y dividió a los participantes en tres grupos: El primer grupo, tenía que responder inmediatamente; el segundo grupo, podía pensar de forma activa y consciente acerca del problema, y luego tenían que decidir; y al tercer grupo se lo distrajo por un rato con una tarea totalmente distinta, y luego tenían que contestar.