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Eyewitness testimony holds significant weight within the criminal justice system, often serving as a crucial piece of evidence to identify perpetrators and secure convictions. However, recent research has shed light on the vulnerability of eyewitness memory to external influences, particularly during the cross-examination process. This essay explores the effects of cross-examination on the accuracy of eyewitness testimony, drawing from previous studies and expert opinions.
Eyewitness testimony is defined as "a person's episodic memory for a crime or other dramatic event that he or she has witnessed" (Loftus, 2017).
It plays a pivotal role in the criminal justice system, as it often provides firsthand accounts of events that can lead to guilty verdicts. The credibility and accuracy of eyewitnesses are essential, as erroneous testimony can have dire consequences, including wrongful convictions.
However, despite its importance, numerous studies have demonstrated the fallibility of eyewitness memory. Memory distortion can occur due to various factors, such as suggestive information received after the event, the questioning techniques employed during interviews, or exposure to leading questions (Loftus & Hoffman, 1989; Wright & Loftus, 1998; Loftus & Palmer, 1974; Loftus & Zanni, 1975; Odinot, Walters, & Lavender, 2009).
Maras & Valentine (2011) conducted an experiment to investigate the effects of cross-examination on the accuracy of adult eyewitness testimony.
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The study involved twenty-two student participants who were divided into different conditions, including co-witness, control, and individual conditions. In the co-witness condition, participants experienced memory agreement and recalled events less accurately than those in the control or individual conditions.
After a 4-week delay, all participants were subjected to cross-examination by a trainee barrister, simulating a prosecutor's role.
Surprisingly, there was no significant difference in accuracy between the two experimental groups during cross-examination. Both groups exhibited numerous alterations to their initial reports, including changes to both originally accurate and inaccurate responses.
This experiment highlights the potential impact of cross-examination on eyewitness testimony. It raises questions about whether the observed effect is exclusive to child witnesses or if cross-examination can equally affect the accuracy of adult eyewitness testimony.
Cross-examination is a critical phase in the legal process, where witnesses are subjected to rigorous questioning by opposing counsel. The questioning techniques employed during cross-examination can influence the comprehensiveness and accuracy of witnesses' responses. These techniques include leading questions, the use of negatives, closed questions, either/or questions, yes/no questions, and multiple questions (Kebbell, Deprez, & Wagstaff, 2003; Kebbell, Hatton, & Johnson, 2004; Perry, McAuliff, Tam, Claycomb, Dostal, & Flanagan, 1995; Zajac, Gross, & Hayne, 2003).
Maras & Valentine (2011) emphasize several critical distinctions between investigative interviews and cross-examination. In investigative interviews, the assumption is often that the witness is cooperative and trying to recall events as accurately as possible. While some deceptive details may emerge in post-event questionnaires or interviews, the focus remains on obtaining truthful information. In contrast, cross-examination is marked by efforts to persuade and undermine the witness's confidence. It involves challenges to the accuracy of the witness's report and the presentation of alternative explanations.
Moreover, cross-examination may be inherently unfavorable to witness testimony due to factors that heighten witnesses' suggestibility, such as a lengthy delay between witnessing an event and cross-examination (Read, Connolly, Toglia, Ross, & Lindsay, 2007) or the perceived authority and influence of the cross-examiner (Roper & Shewan, 2002).
In conclusion, the impact of cross-examination on eyewitness testimony is a complex and multifaceted issue. While the vulnerability of children's testimony to cross-examination has been explored, questions remain about the extent to which cross-examination affects the accuracy of adult eyewitness testimony. The legal system must strike a delicate balance between rigorously testing witness credibility and safeguarding the accuracy of their accounts.
As research in this area continues, it is imperative for legal practitioners and scholars to consider the implications of cross-examination techniques on the reliability of eyewitness testimony. Ultimately, the pursuit of justice relies on the integrity of the evidence presented, and understanding the dynamics of cross-examination is a vital step in ensuring the fair administration of the law.
The Impact of Cross-Examination on Eyewitness Testimony. (2016, May 19). Retrieved from https://studymoose.com/the-effect-of-cross-examination-on-eyewitness-testimony-essay
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