Complex sentence: The misinformation effect can occur when the memory of an eyewitness is influenced by misinformation that is presented after an event, but studies found that social "postwarnings," like characterizing an individual as having low credibility, can reduce the misinformation/memory conformity effect.
Split into simpler sentences: The misinformation effect can occur when the memory of an eyewitness is influenced by misinformation that is presented after an event. One study found that social "postwarnings," like characterizing an individual as having low credibility, can reduce the misinformation/memory conformity effect.