The sleeper effect means that people forget the source of information faster than they forget the content of the information. When the source of information is low credibility, it often does not allow people to properly estimate the content of the information at the initial stage, but three weeks later, due to the source The effect of the disappearance of the phenomenon has made it possible for people to evaluate information. Which of the following are consistent with sleeper effects:. ['Reactionary organizations organize reactionary propaganda for children, and children obey their words.', 'In life, the words of experts have more credibility than the words of ordinary people.', "Celebrity ads began to have a sensational effect, but subsequently caused viewers' aesthetic fatigue.", "Zhang San's impression of colleagues has changed from being difficult to be approachable."]