Background: Anti-bullying interventions to date have shown limited success in reducing victimization and have rarely been evaluated using a controlled trial design. This study examined the effects of the FearNot! anti-bullying virtual learning intervention on escaping victimization, and reducing overall victimization rates among primary school students using a nonrandomized controlled trial design. The program was designed to enhance the coping skills of children who are known to be, or are likely to be, victimized.
Methods: One thousand, one hundred twenty-nine children (mean age 8.9 years) in 27 primary schools across the UK and Germany were assigned to the FearNot! intervention or the waiting control condition. The program consisted of three sessions, each lasting approximately 30 minutes over a three-week period. The participants were assessed on self-report measures of victimization before and one and four weeks after the intervention or the normal curriculum period.
Results: In the combined sample, baseline victims in the intervention group were more likely to escape victimization at the first follow-up compared with baseline victims in the control group (adjusted RR, 1.41; 95% CI, 1.02-1.81). A dose-response relationship between the amount of active interaction with the virtual victims and escaping victimization was found (adjusted OR, 1.09; 95% CI, 1.003-1.18). Subsample analyses found a significant effect on escaping victimization only to hold for UK children (adjusted RR, 1.90; CI, 1.23-2.57). UK children in the intervention group experienced decreased victimization rates at the first follow-up compared with controls, even after adjusting for baseline victimization, gender and age (adjusted RR, .60; 95% CI, .36-.93).
Conclusions: A virtual learning intervention designed to help children experience effective strategies for dealing with bullying had a short-term effect on escaping victimization for a priori identified victims, and a short-term overall prevention effect for UK children.
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Aerosp Med Hum Perform
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Background: Arterial gas embolism (AGE) may occur while breathing compressed air and failing to exhale during ascent to compensate for gas expansion as pressure decreases. Trauma to the lungs from over-pressurization may result in air bubbles entering the pulmonary veins and subsequently the systemic circulation, causing obstructed blood flow and inflammatory cascades. AGEs are known to always manifest within 10 min of surfacing from depth.
View Article and Find Full Text PDFNeural Netw
December 2024
School of Computer Science and Technology, Xi'an Jiaotong University, Xi'an, China. Electronic address:
Transferable adversarial examples, which are generated by transfer-based attacks, have strong adaptability for attacking a completely unfamiliar victim model without knowing its architecture, parameters and outputs. While current transfer-based attacks easily defeat surrogate model with minor perturbations, they struggle to transfer these perturbations to unfamiliar victim models. To characterize these untransferable adversarial examples, which consist of natural examples and perturbations, we define the concept of fuzzy domain.
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School of Nursing, University of the Free State, Bloemfontein, South Africa.
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View Article and Find Full Text PDFJ Microbiol Immunol Infect
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Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan; Research Center for Cancer Biology, China Medical University, Taichung, Taiwan. Electronic address:
Background: Vibrio vulnificus is a Gram-negative pathogen that infects humans through foodborne or wound infections. Victims of V. vulnificus infections face significant health risks, including cellulitis and septicemia, which have rapid disease progression and high mortality rates.
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