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Kevin J. Farrugia Ph.D. Danielle Hunter B.Sc. Clarice Wilson B.Sc. Stef Hay B.Sc. Paul Sherriffs B.Sc. Paul Deacon B.Sc. 《Journal of forensic sciences》2020,65(1):248-254
This study presents a number of pseudo-operational trials on plastic bags investigating the double- and co-fuming process of a one-step fluorescent cyanoacrylate (LumicyanoTM) in comparisons with the two-step process with basic yellow 40 (BY40) staining for the detection of latent fingermarks. The results demonstrate that both Lumicyano solution and dye contribute to the increased detection of latent fingermarks during the double-fuming process (trial 1). Co-fuming the Lumicyano solution and dye separately (at a concentration of 8%) but simultaneously was less effective than 8% Lumicyano (trial 2). Co-fuming Lumicyano 8% and an additional 8% Lumicyano dye by weight was more effective than Lumicyano 8% (trial 3), possibly due to increased fluorescent material deposition during co-fuming allowing for better visualization. The use of BY40 after Lumicyano resulted in a considerable increase in detected fingermarks. 相似文献
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Self-harm is widely recognized as a significant adolescent social problem, and recent research has begun to explore its etiology.
Drawing from Agnew’s (1992) social psychological strain theory of deviance, this study considers this issue by testing three hypotheses about the effects
of traditional and cyber bullying victimization on deliberate self-harm and suicidal ideation. The data come from a school-based
survey of adolescents in a rural county of a southeastern state (n = 426); 50% of subjects are female, their mean age was 15 years, and non-Hispanic whites represent 66% of the sample. The
analysis revealed that both types of bullying are positively related to self-harm and suicidal ideation, net of controls.
Moreover, those relationships are partially mediated by the negative emotions experienced by those who are bullied and partially
moderated by features of the adolescent’s social environment and self. Regarding the latter, exposure to authoritative parenting
and high self-control diminished the harmful effects of bullying victimization on self-harm and suicidal ideation. The article
concludes by discussing the implications of these conclusions for future research and for policy efforts designed to reduce
self-harm. 相似文献
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According to Gottfredson and Hirschi??s self-control theory, child and adolescent variation in self-control results primarily from variations in parental socialization. Although much research reveals a link between parenting and self-control, many recent studies indicate that the etiology of self-control is more complex than what has been theoretically specified. In further considering this issue, the current study first presents a theoretical model that emphasizes the role that peers may play in the development of self-control, even when accounting for the influence of parents. Next, we empirically assess the extent to which peer behavior influences self-control during childhood. The data come from a sample of U.S. families (n?=?776); 48% of the subjects are male, their age was 9?years, and non-Hispanic whites represented 84% of the sample. The analysis revealed that peer behavior is significantly associated with subsequent self-control, even after accounting for differences in parental socialization, prior self-control, and other potential sources of spuriousness. The implications of the findings for theory and future research are discussed. 相似文献
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The gender implications of large-scale land deals 总被引:1,自引:0,他引:1
This article introduces a discussion of gender dimensions into the growing debate on large-scale land deals. It addresses the current information gap on the differential gender effects of large-scale land deals through (1) an overview of the phases of large-scale land deals and discussion of related effects on rural men and women based on new literature on large-scale land deals and past literature on the gender effects of commercialization and contract farming; (2) a presentation of further evidence using several case studies on the gender effects of large-scale deals; and (3) a conclusion that looks at knowledge gaps and areas for further research as well as broad recommendations for gender equitable large-scale land deals. 相似文献
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J. M. Mond P. Marks P. J. Hay B. Rodgers C. Kelly C. Owen S. J. Paxton 《Journal of youth and adolescence》2007,36(6):753-762
This research examined the “mental health literacy” of adolescents concerning eating-disordered behavior. A vignette describing
a fictional 16-year old female meeting diagnostic criteria for bulimia nervosa was presented to 522 female high school students,
followed by a series of questions concerning treatment of and treatment-seeking for the problem described. Results indicated
that primary care practitioners, mothers and close female friends were most highly regarded as potential sources of help.
Self-help interventions, including the use of vitamins and minerals, were also highly regarded, whereas participants were
less positive about the benefits of mental health specialists and ambivalent about the use of anti-depressant medication.
Most participants believed that the problem described would be difficult to treat, and that relapse was likely even given
appropriate treatment. An additional finding of note was that among participants with a high level of eating disorder symptoms
(n=36, 6.9%), recognition of an eating problem was poor. We conclude that beliefs likely to be conducive to low and/or inappropriate
treatment-seeking for eating problems may be common among adolescent girls. In addition, the findings suggest that prevention
programs for the eating disorders need to target not only at-risk individuals, but also individuals in their immediate social
environment. 相似文献
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