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181.
Erwin J. A. T. Mattijssen MSc Cilia L. M. Witteman PhD Charles E. H. Berger PhD Xiaoyu A. Zheng MSc Johannes A. Soons PhD Reinoud D. Stoel PhD 《Journal of forensic sciences》2021,66(1):96-111
Forensic firearm examination provides the court of law with information about the source of fired cartridge cases. We assessed the validity of source decisions of a computer‐based method and of 73 firearm examiners who compared breechface and firing pin impressions of 48 comparison sets. We also compared the computer‐based method's comparison scores with the examiners' degree‐of‐support judgments and assessed the validity of the latter. The true‐positive rate (sensitivity) and true‐negative rate (specificity) of the computer‐based method (for the comparison of both the breechface and firing pin impressions) were 94.4% and at least 91.7%, respectively. For the examiners, the true‐positive rate was at least 95.3% and the true‐negative rate was at least 86.2%. The validity of the source decisions improved when the evaluations of breechface and firing pin impressions were combined and for the examiners also when the perceived difficulty of the comparison decreased. The examiners were reluctant to provide source decisions for \"difficult\" comparisons even though their source decisions were mostly correct. The correlation between the computer‐based method's comparison scores and the examiners' degree‐of‐support judgments was low for the same‐source comparisons to negligible for the different‐source comparisons. Combining the outcomes of computer‐based methods with the judgments of examiners could increase the validity of firearm examinations. The examiners' numerical degree‐of‐support judgments for their source decisions were not well‐calibrated and showed clear signs of overconfidence. We suggest studying the merits of performance feedback to calibrate these judgments. 相似文献
182.
This study applied a decision‐making perspective to examine the causal mechanisms underlying the relation between violent victimization and offending. We theorized that having been victimized affects an individual's appraisal of subsequent potentially conflictive situations in such a way that victims become more attuned toward the benefits of violence perpetration than toward its costs. Furthermore, we argued that this altered appraisal mediates the relation between violent victimization and violent offending. We tested these hypotheses by using data from the Zurich Project on the Social Development of Children and Youths, a longitudinal study of Swiss youth (N = 1,013; 11–15 years of age). In line with expectations, path analysis results showed that prior victimization influenced the appraisal of decision‐making situations that, in turn, predicted subsequent self‐reported violent offending. Importantly, these mediation effects held when controlling for a variety of time‐stable factors, such as self‐control and risky activities, as well as prior victimization and delinquency. Implications for research and theorizing on the victim–offender overlap are elaborated in the discussion. 相似文献
183.
This paper employs an online voting simulation to examine how the vote decision process affects the vote choice. We focus on proximity voting, an empirically powerful but informationally demanding model of voter behavior. Holding contextual factors constant, we find that more politically knowledgeable individuals engage in a deeper and broader decision process prior to casting their ballot, and, in turn, a more detailed decision process boosts the likelihood that one will vote proximately. In addition, we find that detailed decision processes have a stronger link with proximity voting among the most knowledgeable individuals, who are able to skillfully engage with new information. 相似文献
184.
何庆 《北京人民警察学院学报》2015,(2)
考察德军参谋部建设历史,其成功经验在于:一是建立专门独立的辅助决策机构;二是坚持以科学理论指导实践;三是以数学为主要手段确保情报分析高效科学;四是以实证方法确保理论和实践统一;五是及时推广应用新的科学技术;六是打造知识化、专业化参谋队伍。我国公安机关应借鉴德军参谋部建设之经验,在情报主导警务机制建设中,以规范的组织体制、科学的工作理念及专业化的参谋队伍为主题,构建警务参谋制度,完善辅助决策机制,提升警务决策科学化水平。 相似文献
185.
论视频侦查工作体系的构建 总被引:2,自引:0,他引:2
我国视频侦查目前尚处于发展期,一些地方在视频侦查工作体系的构建方面取得了一定的经验,但也有很多问题延续至今,其中许多问题的根源都可以追溯到视频侦查工作体系的构建阶段。视频侦查工作体系的构建是一项庞大而复杂的工程,不仅包括视频监控软硬件系统的建设,还包括视频侦查工作组织机构的划分、工作流程的设计、交流与联动机制的完善以及专业视频图像研判力量的建设等内容。 相似文献
186.
2012年修订的《刑事诉讼法》规定了强制证人出庭和无正当理由不出庭证人的惩罚措施,提出对证人出庭作证的保护和经济补偿制度。证人出庭将增加庭审的对抗性和不确定性,公诉人只有提高自身的综合能力,充分做好庭审前准备,庭审中询问证人要讲究策略,庭审后要及时总结和交流意见,才能更好地完成出庭公诉的任务。 相似文献
187.
Patricia L. Brantingham 《Journal of Quantitative Criminology》1985,1(3):281-305
This paper reports the results of an analysis of judicial disparity in the sentencing of persons represented by legal-aid lawyers. Because the socioeconomic characteristics of legal-aid clients are fairly uniform, the analysis of such cases made it possible to explore the influence of case facts, system factors, and the judicial disparity of the sentences given in relatively similar situations. The analysis finds that case facts and offender characteristics, particularly prior record, are good predictors of sentence type and excellent predictors of sentence length. While there was some indication of judicial inconsistency in sentence-type decisions, that is, unexplained variation from case to case, there was little indication of strong individual judicial bias across the cases used in the analysis. 相似文献
188.
INCENTIVES FOR COLLECTIVE DEVIANCE: GROUP SIZE AND CHANGES IN PERCEIVED RISK,COST, AND REWARD*
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Research has demonstrated that the presence of others shifts decision‐making about risky/deviant behavior. One reason for this shift could be changes in the anticipated experience of formal sanctions, informal costs, and rewards. To investigate this possibility, this study conducted two randomized controlled trials with hypothetical vignettes, in which a range of how many other people were also involved in the criminal act defined the treatment conditions. Across two samples of university students (Ns = 396 and 263), the results revealed that as the size of the involved group increased, the anticipated experience of sanction risk and several informal social costs associated with engaging in the act decreased, and the anticipated experience of two rewards increased. Additional analyses suggest that, with one exception in each data set, these changes are not only tied to the solo/group distinction. 相似文献
189.
李青 《湖北警官学院学报》2004,17(4):88-89,96
多媒体教学方式的应用提高了教学效率,对于提高课堂教学质量具有非常明显的效果,可以实现在传统课堂上不可能实现的教学方式和教学内容。制作和利用多媒体课件教学已成为一个合格教师的必备条件之一。本文对多媒体课件制作中易出现的问题进行了研究并提出应对措施。 相似文献
190.
"三个代表"重要思想是对马克思列宁主义、毛泽东思想、邓小平理论的继承和发展.在新的历史时期,中国共产党人在坚持和平与发展是时代的主题这一判断的前提下,准确地把握了经济全球化这一当今时代发展的主流,重申了人民群众是历史的创造者这一历史唯物主义基本原理,全面而准确地提出了建设社会主义物质文明、政治文明和精神文明的目标,为中国特色社会主义的发展指明了前进方向和前进坐标. 相似文献