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Legal and Scientific Implications of Daubert: An Empirical Analysis of Expert Psychological TestimonyBern, Zachary 01 January 2018 (has links)
The goal of this paper is to outline the legal and scientific implications of the admissibility standard defined in Daubert v. Merrel Row Pharmeceuticals, Inc., 509 U.S. 579 (1993). The evolution of scientific admissibility is discussed. In addition, the author looks at criticisms of Daubert from the legal and psychological literature. Empirical data is presented with respect to judges’ abilities to act as “gate keepers” and jurors’ sensitivity to expert testimony. The author concludes with a discussion of the limitations and implications of this research.
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Accuracy Variations in Human Facial Identification Based on Time of Exposure.Cowle, Kenneth M. 12 1900 (has links)
This study examined the relationship between time of exposure to the human face and accurate subsequent photo line-up identification. A volunteer group of 124 undergraduate students was divided into three approximately equal sized subgroups. The three groups were then exposed to a video or a portion of a video depicting a theft. Exposure times ranged from two minutes to 30 seconds. The subjects were then given a questionnaire and shown a photo line-up of the mock perpetrator and five foils. Subjects were asked to identify the perpetrator and mark that identification on the questionnaire. Results of the experiment indicated that the longer a subject was exposed the greater the possibility of an accurate identification.
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Improving lineup effectiveness through manipulation of eyewitness judgment strategiesMah, Eric Y. 29 July 2020 (has links)
Understanding eyewitness lineup judgment processes is critical, both from a theoretical standpoint (to better understand human memory) and from a practical one (to prevent wrongful convictions and criminals walking free). Currently, two influential theories attempt to explain lineup decision making: the theory of eyewitness judgment strategies (Lindsay & Wells, 1985), and the signal detection theory-informed diagnostic-feature-detection hypothesis (Wixted & Mickes, 2014). The theory of eyewitness judgment strategies posits that eyewitnesses can adopt either an absolute judgment strategy (base identification decisions only on their memory for the culprit) or a relative judgment strategy (base identification decision on lineup member comparisons). This theory further predicts that relative judgment strategies lead to an increase in false identifications. Contrast this with the diagnostic-feature-detection hypothesis, which predicts that the lineup member comparisons inherent to relative strategies promote greater accuracy. These two theories have been tested indirectly (i.e., via lineup format manipulations tangentially related to the theory), but there is a lack of direct tests. Across two experiments (Ns = 192, 584), we presented participants with simulated crime videos and corresponding lineups, and manipulated judgment strategy using explicit absolute and relative strategy instructions and a novel rank-order manipulation meant to encourage lineup member comparisons. We found no substantial differences in identifications or overall accuracy as a function of instructed strategy. These results are inconsistent with the theory of eyewitness judgment strategies but provide some support for the diagnostic-feature-detection hypothesis. We discuss implications for both theories and future lineup research. / Graduate
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Cognitive Processes and Memory Differences in Recall and Recognition in AdultsFitzgerald, Laura Elaine 01 January 2016 (has links)
Eyewitness testimony is critical in both criminal court and civil court, so determining the most reliable method to gain information from witnesses is imperative. Past research in this area has focused on false memory, assisted recall, stress, and event perception. A gap exists in the current literature regarding the best method to gain the most accuracy in recall. The purpose of this study was to evaluate free recall, cued recall, and recognition, in an attempt to examine the accuracy of eyewitness memory. The study utilized a quantitative design to assess the accuracy of eyewitness memory as measured by results on free-recall, cued recall, and recognition tests. The theoretical foundation for this study was the theory of information processing, which contends that information is processed in stages and combines visual cognition, memory, and memory recall; therefore, this theory applies to the study by helping determine the most accurate way for individuals to recall events. Introduction to Psychology students were shown a video, then asked to recall what they saw using either free recall, cued recall, or recognition. A one-way between-subjects analysis of variance was utilized to determine whether there were significant differences in the number of items recalled as a function of recall format. Results suggested that participants were more accurate with the utilization of recognition techniques for recall, as opposed to the free or cued-recall. The importance of evaluating effective methods to promote accurate eyewitness testimony is to advance forensic science. The implications for social change include the ability to have more effective methods to gain accurate eye-witness testimony, thereby assisting with proper outcomes during trials.
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Narrative Abilities and Resistance to Suggestion in Monolingual and Bilingual Children: Implications for Forensic InterviewsPerez, Christina 29 August 2019 (has links)
No description available.
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Can Knowledge of Future Public Presentations of Eyewitness Testimonies Obviate Positive Post-Identification Feedback Effects?Ross, Audrey E. 06 May 2013 (has links)
No description available.
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Improving eyewitness testimony methods for more accurate recall of eventsSchachter, Ashley M. 01 December 2011 (has links)
Eyewitness testimony has as long history in the court system, and is very persuasive to juries. Jurors are hard pressed to ignore a witness' assertion of a perpetrator's identity. However, the juror's perception of eyewitness testimony is problematic as it has been documented as inaccurate and unreliable in numerous experiments. With the advent of DNA testing and efforts such as The Innocence Project, it has become apparent that faulty eyewitness accounts are central to many wrongful convictions. The intent of this thesis was to explore how law enforcement can facilitate more accurate eyewitness accounts via their interview process. Research suggests that a key problem in the current interviewing system is "post-event information," or outside information introduced by leading questions, exposure to police conversations or other witnesses' accounts. This information can contaminate a witness's memories of events and lead them to report things they did not see. The current experiment explores the effects of 1) warning and educating witnesses about suggestibility and 2) interviewing with leading or open-ended questions. Accuracy scores were then compared for each condition. The hope was to gain insight into methods for improving accurate recall of events and reducing memory contamination from "post-event information."
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Misattributing post-event causal suggestions to the original story event: Rates of false memory for human and physical causes of negative outcomesMorrison-Blair, Amanda B. 24 July 2012 (has links)
No description available.
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Witness Uncertainty and Its Effect on Jurors' DecisionsDeFranco, Rachel January 2012 (has links)
No description available.
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The Influence of Social Media on Eyewitness AccountsPace, Torrian M. 10 June 2015 (has links)
No description available.
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