The present situation of forensic sciences of police in Japan and the National Research Institute of Police Science

Nagano, T; Miyake, B

doi:10.1016/0379-0738(96)01923-8

Cited by 3 publications

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“…The Japanese police organisation has 47 prefectural police headquarters. Each of these has a forensic science laboratory within a criminal investigation department, to which polygraph examiners are assigned (Nagano and Miyake, 1996). Candidate polygraph examiners and other researchers must undergo an employment examination.…”

Section: Qualifications For Polygraph Examinersmentioning

confidence: 99%

Polygraphic Examinations in Japan: Application of the Guilty Knowledge Test in Forensic Investigations

Hira

Furumitsu

2002

International Journal of Police Science & Management

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teaches introductory psychology, psychophysiology and experimental psychology Although his primary research concern is biofeedback in psychophysiology, he is currently studying the guilty knowledge test in a laboratory setting. ABSTRACT There are two main types of psychophysiological detection of deception in field practice: the guilty knowledge test (GKT) and the control question test (CQT). A sUYlley carried out for members of the American Psychological Association and the Society [or PsychophysiologicalResearch proved that mallY of the members consider that the GKT is superior to the CQT in its validity. Moreover, several experimental studies reported that the GKT produces fewer false positive errors (classifying an innocent suspect as guilty) than the CQT. In spite of these issues, the GKT is used less in North America and there are several researchers who insist that it is inapplicable in real-life criminal investigations. 111 Japan, however, the GKT has been extensively and successfully used in criminal investioations since the 1950s. Moreover, basic studies of the GKT, such as visual presentations of evidence, an automated diagnostic method by a computer and detecting guilty knowledge by using event-related brain potentials, are actively carried out in many Japanese laboratories to improve the method 5 reliability. In an effort to encourage the application of the GKT as an effective and scientific method in criminal investigations, this paper describes the status of the GKT in Japan.

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Section: Qualifications For Polygraph Examinersmentioning

confidence: 99%