Detection of guilty knowledge: a comment on Forman and McCauley
Article Abstract:
Forman and McCauley (1986) administered a Guilty Knowledge Test (GKT) together with two different methods of polygraphic lie detection to the same group of subjects in an analog or mock crime experiment. Their three-item GKT performed less well than did either lie detection method, although it had by far the highest specificity (i.e., the lowest rate of false-positive errors) It is shown that this GKT performed about as would be theoretically predicted and that a longer GKT (e.g., one with only 6 items) would have shown a higher sensitivity and specificity than would either lie test. Forensic polygraphers do not use the theoretically more sound method of guilty knowledge detection, in the belief that appropriate GKT items could not be designed in the field situation. I argue that this assumption is unfounded and that what is potentially one of the most accurate and socially useful of psychological tests is being arbitrarily neglected. (Reprinted by the permission of the publisher.)
Publication Name: Journal of Applied Psychology
Subject: Social sciences
ISSN: 0021-9010
Year: 1988
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Less than zero
Article Abstract:
The Labour government's proposed changes to the UK tax policy are likely to lead to additional costs for the construction industry. The Mar 1999 budget included changes to the value-added-taxation (VAT) regime which will increase costs for some sectors, such as charities, and are likely to reduce their future investment in new buildings. There are fears changes to when VAT is charged will necessitate construction firms having to reorganise their accounts systems. The Construction Industry Tax Deduction Scheme and new employer taxes will also lead to higher costs.
Publication Name: Building
Subject: Construction and materials industries
ISSN: 0007-3318
Year: 1999
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Fastest car on earth
Article Abstract:
Driver Al Teague won the Bonneville Salt Flats speed race in 1991 with his 'Spirit of '76.' The rocket-shaped car is extremely expensive to drive, since it gets only two miles per gallon of fuel. The car achieved 432 miles per hour to break the world record.
Publication Name: Boys' Life
Subject: General interest
ISSN: 0006-8608
Year: 1992
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