September 14, 2009
Half Of Eyewitnesses Can Be Fooled By Doctored Video

Human memory and human judgment can not be trusted. Doctored video caused people to believe they saw something they never saw.

Associate Professor Dr Kimberley Wade from the Department of Psychology led an experiment to see whether exposure to fabricated footage of an event could induce individuals to accuse another person of doing something they never did.

In the study, published in Applied Cognitive Psychology, Dr Wade found that almost 50% of people shown fake footage of an event they witnessed first hand were prepared to believe the video version rather than what they actually saw.

Scary thought: You get arrested for something you didn't do and then humans are called to testify as witnesses. Not Vulcans, oh no. Lowly, flawed, mistaken, gullible, foolish humans. The very thought is enough to make me ill. Lesson to take home: Innocent people should move to planet Vulcan lest they get convicted of crimes they didn't do.

You can't trust half the eyewitnesses.

In a game involving the use of fake money participants were deceived into believing that a person sitting next to them cheated. Shown a doctored video people were willing to claim they saw the cheating when it supposedly first occurred - even though the cheating never happened.

One third of the subjects were told that the person sat next to them was suspected of cheating. Another third were told the person had been caught on camera cheating, and the remaining group were actually shown the fake video footage. All subjects were then asked to sign a statement only if they had seen the cheating take place.

Nearly 40% of the participants who had seen the doctored video complied. Another 10% of the group signed when asked a second time by the researchers. Only 10% of those who were told the incident had been caught on film but were not shown the video agreed to sign, and about 5% of the control group who were just told about the cheating signed the statement.

Think about that. 5% didn't even need to see doctored video to agree to something they never saw.

Share |      Randall Parker, 2009 September 14 10:10 PM  Brain Limits


Comments
Lono said at September 15, 2009 9:57 AM:

Well sure - the Govt. has been exploiting this for years...

Anyone who has seen the video with the "fat" Osama who likes to wear rings - and write with the wrong hand - knows that Bin Laden did it - why he even confessed!

I see'd it with my own eyes I did on the Tee Vee News!

The FBI must just be pokin' fun with that nonsense that they have no real evidence to charge him with the crime...

;-)

Mrs. Blessed said at September 15, 2009 12:51 PM:

Randall Parker, are you familiar with the work of Elizabeth Loftus? http://en.wikipedia.org/wiki/Elizabeth_Loftus and http://faculty.washington.edu/eloftus/. She has done extensive research in human memory.

~~Mrs. Blessed

David Govett said at September 16, 2009 9:09 AM:

The other half can be fooled by video doctors.

Murphy8 said at September 16, 2009 5:44 PM:

These researchers are really on top of things. Expert witness Elizabeth Loftus (1993) testified in Smith v. Smith that the only kind of evidence she consider valid for child molestation charges was a video.

Based on these findings, a defendant with a video entered into evidence might come up with a defense something like --- I didn't do it. So if you think I did it after watching this video, then the video must have been fabricated.

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