Another possible solution in eyewitness cases is expert testimony--a psychologist can explain to the jury how human memory works and apply the experimental findings to the case in question this. Eyewitness misidentifications were the single greatest cause of flawed evidence in the 250 innocent exonerations i studied and no case better explains how eyewitness errors can occur than the. Eyewitness testimony may not always be accurate, but despite its weaknesses, by using empirical studies to guide reforms, eyewitness testimony can be an extremely beneficial instrument in the criminal justice system. Name date class case study 10 i u eyewitness testimony directions: read the following case study, then answer the questions that follow background hypnosis has been used with traumatized. In case after case, dna has proven that eyewitness identification is frequently inaccurate in the wrongful convictions where eyewitness misidentification played a role, the circumstances varied substantially for example, the innocence project has worked on cases in which: a witness made an.
Eye witness testimony a case study of eyewitness testimony of a crime journal of applied psychology, 291-301 yuille, j, & tollestrup, p (1990) some effects. In 1973, loftus accepted an assistant professorship at the university of washington and used the new position to begin a new line of research into how memory works in real-world settings, beginning the empirical study of eyewitness testimony. Forensic science lesson plans cotton case case study 22 ronald cotton case illustrates how eyewitness accounts can be wrong eyewitness testimony part 1 http.
To the teacher readings and case studiesserve as a supplement to material in the textbook and provide an in-depth look at important issues, experiments, and concepts in psy. Loftus and palmer study a case study of eyewitness memory of a crime to instruct the jury that it is not safe to convict on a single eyewitness testimony. Mistaken identities, dna exonerations: a case study by deborah halpern wenger, kendra gentry and kristine trever | october 14, 2009 as well as academics who study eyewitness testimony. Cate juries about the shortcomings of eyewitness testimony and exam- ines procedural safeguards to prevent unreliable identifications i united states v smith-a case study. The discovery of false memories has had wide-reaching implications, particularly in court cases, where accurate eyewitness testimonies are essential factors such as the presence of a weapon when a crime is being committed can affect our ability to recall events clearly.
Eyewitness testimony is fickle and, all too often, shockingly inaccurate why science tells us not to rely on eyewitness accounts in one well-known study, loftus and her colleague. A case study titled problems with eyewitness testimony talks about a famous canadian case in which a 14 years old boy named steven truscott, was convicted in 1959 of rape and murder of a 12 years old, lynne harper. The federal court that finally reviewed evidence of davis' innocence agreed this case centers on eyewitness testimony eyewitness-identification field study for eyewitness testimony. Eyewitness testimony is a crucial area of research in cognitive psychology and human memory studies into eyewitness testimony have found that it can be affected by many factors elizabeth loftus, a leading researcher in eyewitness testimony, conducted studies to demonstrate that memory is not a factual recording of an event and that memories. - eyewitness testimony elizabeth loftus has conducted many studies on eyewitness testimony (ewt) in 1974 she worked with john palmer to look at the ways that memory can be distorted the studies general aim was to explore the accuracy of memory after witnessing a car accident.
Information recall / eyewitness testimony each case study presents a topic and area of psychology these topics will be used to study specific areas of psychology and will provide you with an opportunity to examine the uses of applied behavioral sciencecase study#3 forensic psychology: information recall / eyewitness testimony june was a witness to violent. A new study of the data says it depends on timing to the swelling chorus of activists and researchers who argue that eyewitness testimony is both fundamentally unreliable and over-relied upon, the cotton case is a prime example of what can go tragically wrong when court cases hinge on human recollection. Eyewitness testimony research: courtroom testimony by an eyewitness is preceded by a varied and dynamic set in their study, half of the witnesses to a staged.
The strength of eyewitness testimony is demonstrated by a study (cited in loftus and doyle, 1992) that recorded verdicts in a mock trial two separate sets of the jurors heard evidence differing only by the presence or absence of an eyewitness. If eyewitness testimony is a relatively small part of the government's case, it may waste everyone's time to hear extensive expert testimony on the reliability of eyewitnesses on the other hand, if the government thinks an eyewitness is sufficiently important to call to the stand, it would also seem sufficiently important to inform the jury. 48 readings and case studies case study 10 eyewitness testimony directions: read the following case study, then answer the questions that follow (continued. Start studying chapter 15 and more with flashcards, games, and other study tools experts now are asked frequently to tesitfyy about eyewitness testimony.