Jermaine sees a car accident and he initially estimates the offending driver to be traveling at 39 miles per hour. However, after hearing another witness's report of the cars and answering a police officer's questions about the rate of speed when the cars "contacted," he subsequently revises his estimate to 30 miles per hour and his memory of the accident changes. This is an example of...

The misinformation effect is a term that describes how we tend to let information that happens after an incident or event affect the memory of what we really experienced when the incident actually happened. Researchers have discovered that even an introduction of information that may not be obvious or notiaciable after an event will impact how we recall things about the event.

This result to incorrect and false memories, the point of misinformation effect explains how our memorise can be easily distracted or disrupted even by tiny details which may change the overal accuracy of what we remember.

Just because another witness said something different than what Jermaine saw it changes her memory about what she thinks she saw during an accident now her memory has been distracted by the introduction of this new information by another witness. This is referred to as misinformation effect.