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Cattell published his research on the inaccuracy of eye witness testimony in The Psychological Review
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stern conducted his famous experiments on witness memory showing that stress affects accuracy
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This book taught people about the unreliability of witness testimony on a large scale.He Introduced the idea of giving witnesses in court competence tests.
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John Larson used the modern polygraph for the first time in California , aiding them in a theft investigation
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The U.S court of appeals ruled that psychologists could serve as witness experts in courts, expanding their role in the legal system
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The American psychological association officially recognized forensic psychology as a speciality formalizing research and practice in the field
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the ABFP officially became a speciality board under the american board of forensic psychology, setting certification standards for forensic psychologists in the U.S
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In response to the Hinckley verdict, president reagan signed IRDA which redefined the federal insanity defense standard and shifted the burden of proof to the defendant in federal cases
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The U.S supreme court handed down its ruling establishing the dubert standard for the admissibility of expert witness testimony , which greatly impacted forensic psychological expert testimony protocols.
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it was first published by christopher webster and colleagues as a structured professional judgement tool for assessing risk of violence in forensic and clinical settings.
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A comprehensive revision was published in american psychologist , expanding guidance on ethics confidentiality , and competence for forensic practitioners
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The american psychiatric association released the diagnostic and statistical manual of mental disorders , fifth edition , updating diagnostic criteria used in forensic psychological evaluations for competency , insanity and risk assessment.