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James Mckeen Cattells study on eye witness testimony
Cattell published his research on the inaccuracy of eye witness testimony in The Psychological Review -
William sterns research on memory and suggestibilty
stern conducted his famous experiments on witness memory showing that stress affects accuracy -
Hugo Munsterbergs "on the witness stand" is published
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. -
First use of poly graph test in criminal investigations
John Larson used the modern polygraph for the first time in California , aiding them in a theft investigation -
Jenkins V. United states decision
The U.S court of appeals ruled that psychologists could serve as witness experts in courts, expanding their role in the legal system -
Establishment of the APA division 41
The American psychological association officially recognized forensic psychology as a speciality formalizing research and practice in the field -
establishment of the american board of forensic psychology
the ABFP officially became a speciality board under the american board of forensic psychology, setting certification standards for forensic psychologists in the U.S -
Insanity defense reform act
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 -
Daubert v. Merrell Dow pharmaceuticals decisiom
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. -
Initial publication of the HCR-20 risk assessment tool
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. -
speciality guidelines for forensic psychology
A comprehensive revision was published in american psychologist , expanding guidance on ethics confidentiality , and competence for forensic practitioners -
publication of DSM-5
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.