Ink Dating Using Thermal Desorption and Gas Chromatography/Mass Spectrometry: Comparison of Results Obtained in Two Laboratories

An ink dating method based on solvent analysis was recently developed using thermal desorption followed by gas chromatography/mass spectrometry (GC/MS) and is currently implemented in several forensic laboratories. The main aims of this work were to implement this method in a new laboratory to evaluate whether results were comparable at three levels: (i) validation criteria, (ii) aging curves, and (iii) results interpretation. While the results were indeed comparable in terms of validation, the method proved to be very sensitive to maintenances. Moreover, the aging curves were influenced by ink composition, as well as storage conditions (particularly when the samples were not stored in “normal” room conditions). Finally, as current interpretation models showed limitations, an alternative model based on slope calculation was proposed. However, in the future, a probabilistic approach may represent a better solution to deal with ink sample inhomogeneity.     

Age estimation from quantitation of features of "chest plate" X-rays

This study presents a method for estimating the age at death from the quantitation of roentgenologic features of X-ray films of chest plates obtained during routine autopsies. Multiple linear regression analysis allows estimation of coefficients of regression of features on known age-at-death individuals. The regression equation can be used in turn for age estimation of an unknown age-at-death individual. The accuracy of age estimation is about +/- 8.4 years (standard error) which is in the range of previously published macroscopic methods, though the present method is much faster and simpler.     

Rousseau on Freedom in Commercial Society

Rousseau consistently declares that commercial society prevents us from being free because it makes us dependent on others and on endless desires in ways we cannot control. Yet, in Emile, Rousseau makes the surprising claim that it is possible for an elite to be free in commercial society. This possibility reveals a third way between the model of man and of citizen, that is, the model of natural man in society. I argue that it provides an original way of resisting dependence through a combination of distance from corrupt values and adaptation to the mechanisms of the economic market. Emile’s ultimate function, however, is critical in addition to being practical and pedagogical. By following Emile's experiences, the reader learns the unbearably high cost of commercial society: Freedom within it is impoverished and available only to the few.     

Preference for the Diversity Policy Label Versus the Affirmative Action Policy Label

Study 1 assessed associations with the labels “diversity policy” (DP) and “affirmative action policy” (AAP) and perceptions of potential policy components. Student and community participants (N = 143) completed a survey assessing associations with one of the policy labels. Both policies evoked similar associations such as “race/minorities” and “equality/equal opportunity,” but the AAP was more often associated with “bias/inequality/discrimination,” “unfairness,” and “racism/prejudice.” When rating potential policy components, reverse discrimination was considered more likely under the AAP. In Study 2 we explored the evaluation of equivalent policy components associated with different policy labels. Student participants (N = 126) rated the policy labeled as the DP more favorably than the AAP. Both studies suggest more favorable attitudes toward the DP label.     

Mental disorders and cognitive impairment in ageing offenders

The aim of our study was to identify psychiatric and cognitive disorders among older prison inmates and to investigate whether there is an association between mental disorders and cognitive impairment. 138 men aged 50 and over were recruited in seven French prisons (Group 1) and 138 men aged 50 and over were recruited from the general public (Group 2). Participants were assessed using the Mini International Neuropsychiatric Interview, the Mini Mental State Examination, and the Frontal Assessment Battery. The results reveal very significant differences in the incidence of mental disorders and in cognitive performance between the two groups. However, there does not appear to be a significant link between mental disorders and cognitive performance. We discuss the risk factors for mental disorders and cognitive impairment. We raise particularly the issue of depression, which is the most common pathology in this population and which is generally associated with the risk of suicide.     

Y-STR DNA amplification as biological evidence in sexually assaulted female victims with no cytological detection of spermatozoa

Identification of spermatozoa is the biological evidence most often sought in specimens from rape victims. Absence of spermatozoa usually terminates biological investigations, and the victim's testimony can be contested. We assessed the utility and reliability of PCR amplification using Y-chromosomal STR polymorphisms in specimens from female victims of sexual assault with negative cytology.One hundred and four swabs without spermatozoa detected by cytology were collected from 79 alleged sexually assaulted female victims and amplification of Y-STR and of amelogenin was performed.Overall, Y-chromosome was detected and evidenced sexual penetration in 28.8% of swabs. In the population of victims examined more than 48 h after the sexual assault, Y-STR were still evidenced in 30% of the cases. These results show that swabs should be taken from victims for Y-chromosome DNA typing even after long delays between sexual assault and medical examination.     

Identifying Predictors for Children Witnessing Intimate Partner Violence

Research has shown that intimate partner violence (IPV) prevalence and severity is higher and IPV duration is longer among couples that have children. Women frequently report that their children are the reason why they stay, leave, or return to an IPV relationship. Our study used results from a two-wave telephone survey to determine what IPV-associated factors were significant predictors of respondents’ children witnessing IPV, as well as estimating prevalence of children’s exposure to violence. We found that an increase in respondents’ age was significantly associated with increased odds of a child being exposed to violence. We also found that children witnessing violence were almost twice as likely to have mothers who reported leaving abusers. We hypothesize that increasing age corresponds to improved confidence in help-seeking behaviors. Our findings represent an important first step for future research on understanding how children influence IPV victims’ decision-making in seeking out service providers for help.     

The impact of within-party and between-party ideological dispersion on fiscal outcomes: evidence from Swiss cantonal parliaments

The impact of the fragmentation of executive and legislative bodies on the level and composition of government expenditure is a feature of politics that has attracted considerable attention from economists. However, previous authors have abstracted from two important concepts: ideology and intra-party politics. In this paper, we account for these two phenomena explicitly, and make two main contributions. First, we show that both intra- and inter-party ideological dispersion matter in explaining the level of sub-national public spending. Therefore, it is improper to consider parties as monolithic entities. We also show that ideological dispersion matters especially for current expenditures, and not so much for investment expenditures. To do so, we construct a panel database (2003–2010) comprising data from a survey that quantifies the policy preferences of party members who were candidates in Swiss elections.     

Anthropological Facial Approximation in Three Dimensions (AFA3D): Computer‐Assisted Estimation of the Facial Morphology Using Geometric Morphometrics

This study presents Anthropological Facial Approximation in Three Dimensions (AFA3D), a new computerized method for estimating face shape based on computed tomography (CT) scans of 500 French individuals. Facial soft tissue depths are estimated based on age, sex, corpulence, and craniometrics, and projected using reference planes to obtain the global facial appearance. Position and shape of the eyes, nose, mouth, and ears are inferred from cranial landmarks through geometric morphometrics. The 100 estimated cutaneous landmarks are then used to warp a generic face to the target facial approximation. A validation by re‐sampling on a subsample demonstrated an average accuracy of c. 4 mm for the overall face. The resulting approximation is an objective probable facial shape, but is also synthetic (i.e., without texture), and therefore needs to be enhanced artistically prior to its use in forensic cases. AFA3D, integrated in the TIVMI software, is available freely for further testing.     

A classification framework for out-of-home advertising media in South Africa

Abstract

Out-of-home (OOH) advertising media have expanded worldwide and the shape and format of these media globally, as well as in South Africa, have changed considerably. Until recently, the OOH advertising media landscape consisted primarily of outdoor advertising or billboards reaching vehicular traffic, but now has expanded to include a wide range of OOH advertising media types which aim to reach a mobile audience wherever they live, work, play, drive, shop or commute. Currently there is no coherent contemporary framework to compare and select the most effective media options to reach a selected target market in a specific OOH audience environment. This article draws from academic and practitioner sources to propose a classification framework for OOH advertising media in South Africa comprising four major platforms: outdoor advertising, transit media advertising, street-and-retail furniture advertising, and digital and ambient OOH media channels. The framework serves to inform marketers of viable and cost-effective traditional and contemporary OOH advertising media options. It also indicates what platforms are appropriate to reach specific audiences effectively in a variety of environments outside their homes. This is the first framework of its kind for the South African context that offers an orderly, integrated basis for future research.