Wrongful Conviction: 50% of Mistaken Eyewitnesses Certain After Positive Feedback


	Wrongful Conviction: 50% of Mistaken Eyewitnesses Certain After Positive Feedback

book-mole

2-7-2008 4:03 AM

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book-mole says:

Go read the whole article - it is fascinating.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/c455aeca-7b22-4f1f-a4a4-bf650f31af95/A1B0438D-A7C9-4B72-B78F-33F4FED2EC87/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php" href="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php" style="font-size: 11px;">www.spring.org.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.spring.org.uk/img/629F748E-E31B-4E10-AE23-C8EC36541732" alt="Cycling" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php"><DIV>Dramatic evidence for how easily eyewitnesses are swayed comes from a study carried out by Gary Wells and Amy Bradfield at Iowa State University (Wells & Bradfield, 1998). Like many of the best studies it is deceptively simple, but its implications for the criminal justice system are profound. </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php">Participants were asked to watch 8 seconds of grainy security camera footage showing a man walking into a store.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php">After watching the video, participants were told that the man is a murderer.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php"><DIV>Participants were then told that their job is to identify the killer from a five-person photospread. This photospread was identical to the one used in the real case except - and here's the twist - the real gunman has been removed. Having been told, though, that the gunman is in the photospread, all the participants identify one of the men.</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php">One group of participants were given no feedback</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php">The second were told they had made the wrong choice</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spring.org.uk/2008/02/wrongful-conviction-feedback-increases.php">The third group, though, were congratulated</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/A1B0438D-A7C9-4B72-B78F-33F4FED2EC87/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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