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. Different studies were done to test and improve the accuracy of eyewitness testimony in children as well as correct memory recall one of these tests is the event report training (ert), this is a training procedure intended to help the improvement of the memory recall of children and at the same time to reduce suggestibility. The results of the study make sense, says aaron benjamin, a psychologist at the university of illinois, urbana-champaign, because disregarding eyewitness confidence is dramatically inconsistent. 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.
The results differ from the pattern of many laboratory studies of eyewitness memory (ie, in the degree to which the witnesses in the present study were actively involved in the event) and point to the need for field research of this type to evaluate the generalizability of laboratory experiments. In the study, loftus and erin harley, phd, a postdoctoral fellow at the university of california, los angeles, conducted a series of experiments with participants who had 20/20 vision or corrected 20/20 vision. Eyewitness testimony and memory biases by cara laney and elizabeth f loftus reed college, university of california, irvine eyewitnesses can provide very compelling legal testimony, but rather than recording experiences flawlessly, their memories are susceptible to a variety of errors and biases. Elizabeth loftus, a memory expert, had reviewed the case files at the time, and was brought into a pretrial hearing to explain the complexities of eyewitness testimonies and the fallibility of memory.
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. A case study of eyewitness memory of a crime determinant of whether a case will be solved is the information study of eyewitness testimony reveals a number of. This study by loftus and palmer (1974) focuses on an applied area of memory: eyewitness testimony in order to best understand this study, it is highly recommended that you first read the following books written by elizabeth loftus. 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. Case studies in the use of dna evidence to establish innocence after trial research report i about the national institute reliability of eyewitness testimony.
The reliability of eyewitness testimony members in making decisions about the case there have been thousands of studies and we know there are. Eyewitness testimony, which relies on the accuracy of human memory, has an enormous impact on the outcome of a trialaside from smoking pistol, nothing carries as much weight with a jury as the. 48 readings and case studies case study 10 eyewitness testimony directions: read the following case study, then answer the questions that follow (continued.
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. Loftus: well, one of the things that we know about juries and how they react to evidence that they're hearing is that they do place a lot of weight in eyewitness testimony. Discusses means of strengthening techniques for obtaining, evaluating and using eyewitness testimony so that accuracy can be enhanced and errors minimized or detected how similarity between study and test environments enhances memory performance ways in which recognition accuracy was greater.
- 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. In theory, an eyewitness testimony could be discredited in a court of law if it could be established that an eyewitness is not competent by showing that his or her memory and perception are impaired, he or she has certain biases or prejudices against the accused, or that he or she is a reputed liar. The eyewitness testimony can be inaccurate and distorted: eyewitness testimony (ewt) is the evidence provided by people who witnesses a particular event or crime it relies on recall from memory ewt includes, for example, descriptions or criminals (eg hair colour, height) and crime scenes (eg time, date, location. 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.