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281.
282.
This paper reports on the performance of forensic document examiners (FDEs) in a signature comparison task that was designed to address the issue of expertise. The opinions of FDEs regarding 150 genuine and simulated questioned signatures were compared with a control group of non-examiners' opinions. On the question of expertise, results showed that FDEs were statistically better than the control group at accurately determining the genuineness or non-genuineness of questioned signatures. The FDE group made errors (by calling a genuine signature simulated or by calling a simulated signature genuine) in 3.4% of their opinions while 19.3% of the control group's opinions were erroneous. The FDE group gave significantly more inconclusive opinions than the control group. Analysis of FDEs' responses showed that more correct opinions were expressed regarding simulated signatures and more inconclusive opinions were made on genuine signatures. Further, when the complexity of a signature was taken into account, FDEs made more correct opinions on high complexity signatures than on signatures of lower complexity. There was a wide range of skill amongst FDEs and no significant relationship was found between the number of years FDEs had been practicing and their correct, inconclusive and error rates. 相似文献
283.
The purpose of this analysis is to evaluate the effects of burning on hacking trauma inflicted with a cleaver and to assess the diagnostic potential of cleaver marks exposed to fire. Thirty pig forelimbs (radius and ulna) and 30 beef ribs were each subjected to five blows with a cleaver and five cuts with a knife prior to burning in an outdoor fire. Bones were deliberately agitated to ensure maximum cremation and induce fragmentation. Results indicate that hacking weakens bone, making fire-induced fragmentation more likely at the sites of trauma. Chop marks were easily identified on burned bone, their characteristics largely unaffected by cremation. 相似文献
284.
Abstract This study investigates attributions towards the perpetrator, the victim and the victim's parents in a hypothetical internet solicitation case. A community sample of 187 respondents read a vignette outlining an internet chatroom conversation between a 10-year-old girl and a 25-year-old man, followed by a depicted sexual assault, before rating 26 attribution items. Principal components analysis extracted six reliable and interpretable factors which were then subjected to a two-respondent gender×two-victim age×two-victim internet naivety×two-parental neglect between-subjects multiple analyses of variance (MANOVA). While levels of victim naivety had no impact on any measure, parents who were neglectful of their child's online activities were deemed more culpable for their child's later abuse than were parents who took an active interest in their child's activities. In general, females deemed the victim more credible than males. Implications are discussed. 相似文献
285.
Christopher J. Rogers Ph.D. Clara M.A. ten Broek Ph.D. Barbara Hodson Michael P. Whitehead Ph.D. Wera M. Schmerer Dr. rer. nat. Raul Sutton Ph.D. 《Journal of forensic sciences》2014,59(6):1575-1582
Articular cartilage was examined to determine its decomposition sequence and its potential for assessing the postmortem interval. Scanning electron microscopy of articular cartilage from buried porcine trotters showed the presence of microcrystals on the synovial surface. These orthorhombic pyramidal or “coffin”‐shaped crystals, appeared at 3 weeks (22 days) after interment and disappeared after 6 weeks. The disappearance of these crystals was linked to decompositional changes to the integrity of the synovial joint. The formation and disappearance of these crystals was associated with a pH change at the cartilage surface. Scanning electron microscopy–energy‐dispersive X‐ray (SEM‐EDX) analysis showed that the five main elements contained within these crystals were carbon, nitrogen, oxygen, magnesium, and phosphorous. Such elemental analysis suggested the crystals may be struvite (MgNH4PO46(H2O)). Bacteria cultured from the cartilage synovial surface produced struvite crystals when grown in suitable media and were identified by DNA analysis to be Comamonas sp. 相似文献
286.
Scheinin L Rogers CB Sathyavagiswaran L 《The American journal of forensic medicine and pathology》2011,32(4):327-330
Familicide and familicide-suicide have not been extensively documented or adequately defined in forensic and psychiatric literature. Such incidents occupy a distinct epidemiological niche and are often precipitated by financial stressors. We present a cluster of 3 such cases, all of which occurred within a 4-month period in Los Angeles County, Calif. The dynamics of these cases are evaluated relative to the literature. 相似文献
287.
Sarah?MercerEmail author Christopher?Rogers Clare?Sandford-Couch 《Liverpool Law Review》2011,32(2):135-148
This paper offers an analysis of the qualitative evidence obtained from a research project in relation to the teaching of
a module on the Trials of Dissenters in the context of an undergraduate law degree. It will consider whether a pedagogically
innovative course has encouraged and enabled undergraduate law students to think more creatively on the issues raised by specific
historic trials and to be prepared to construct more critical and open ended arguments. The study of the Trials of Dissenters,
we hoped, would encourage our students to dissent both from the standard model of legal education and from the acceptance
of what lecturers say as “true”. We here consider the success of our project in relation to how students view dissent. 相似文献
288.