Loftus and Palmer (1974) Eyewitness Testimony Study - Essay Example

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Most investigations relay on the testimony of an eyewitness to create a vivid scenario of the activities that took course in the time of the events being investigated…
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Loftus and Palmer (1974) Eyewitness Testimony Study
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Download file to see previous pages The ability to have clear memories is used to measure the validity of information provided by an eyewitness in the context of an investigation report.
Loftus and Palmer demonstrate that human cognitive process is prone to distortion thus memory is may not give actual facts and figures of an event (Yamauchi 2010. Pg3). In this case, investigators use various methods to determine the validity of information. Memories can be distorted by a series of information processed by the mind between the time of event occurrence and the period in which an eyewitness relays information on the chronology of events. The concepts that tend to influence eyewitness implications include false memory and reconstruction of hypothesis. The validity of an eyewitness testimony can be determined by regular revision of the actual testimony (Kapardis 2009. Pg58). Eyewitnesses may provide false memory or forget important details of the event being testified thus change the hypothesis of the testimony. This aspect provides a different implication in the validity of information being presented by the eyewitness. Loftus and Palmer present an experiment that is used to counter distortion of the original information thus determining validity in eyewitness testimony. The experiment uses the relation between dependant and independent variables to determine validity of information from eyewitnesses. The experiment focuses of affirming the theory that human cognitive process is prone to the provision of false memory and distortion of hypothesis due to the nervous activities experienced in daily basis.
A sample of 45 students is interviewed individually in the first experiment to determine their testimony on a car accident they witnessed. The interviewer asks questions with the same answer but using different key words to analyze the response of the students. This experiment is used to determine distortion of hypothesis in statement presentation. The experiment is repeated after a ...Download file to see next pagesRead More
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