When the whole process was understood, the starting time of the survey was recorded; when they finished answering it, the ending time was informed.
Teniendo entendido todo el proceso, se registró el horario inicial del cuestionario; cuando terminaron de responder, se indicó el horario final.
Tendo entendido todo o processo, registrou-se o horário inicial do questionário; quando terminaram de responder, indicou-se o horário final.