3 checked facts

Sleeper effect

Everything on this site about sleeper effect — each one naming the study behind it.

You eventually forget where you heard the information.
In a 1951 study, participants who dismissed a message due to an untrustworthy source began to agree with the message w…
A message you reject today can change your mind later.
People who initially dismiss a persuasive argument often find it more convincing as time passes.…
You eventually believe a claim you once knew was false.
Over time, the source of a message is forgotten, but the information it contained persists in your memory.…