Impulsivity in Juvenile Delinquency: Differences Among Early-Onset, Late-Onset, and Non-Offenders

The present research investigated differences in levels of impulsivity among early-onset, late-onset, and non-offending adolescents. 129 adolescents (114 males, 15 females), of whom 86 were institutionalised (M age=15.52 years) and 43 were regular school students (M age=15.40 years) participated. Each participant completed the Adapted Self-Report Delinquency Scale, Stroop Colour and Word Test, Time Perception task, Accuracy Game, Risk-Taking Game, and the Eysenck Impulsiveness Questionnaire. Results suggest that adolescents who display rapid cognitive tempo, poor mental inhibitory control, and high impulsivity are more likely to be early-onset offenders. Offender and non-offender groups showed significant differences on several measures of impulsivity, which may suggest that late-onset offenders acquire or exacerbate impulse-related problems through social mimicry of early-onset offender peers. Potentially important implications for our understanding of delinquency and the design and provision of prevention programs are highlighted.Senior Lecturer in Educational Psychology at the School of Education, The University of Queensland, Brisbane, Australia. She received her PhD in educational psychology from The University of Western Australia. Her major research interests include at-risk behaviours of children and adolescents, self-regulation and goal setting, and developmental trajectories of antisocial and aggressive behaviours School of Education, The University of Queensland, Brisbane Q 4072 AustraliaDoctor of Clinical Psychology student within the School of Psychology at The University of Queensland, Brisbane, Australia. Her research interests include at-risk children and adolescents, mental health in adolescents and adults, cognitive-behavioural interventions, and self-regulationMaster of Philosophy student within the School of Education, The University of Queensland, Brisbane, Australia. Her research interests include self-regulation, youth at-risk, Indigenous youth issues, and prevention and intervention approachesProfessor of Education and Head of the School of Education, The University of Queensland, Brisbane, Australia. He received his PhD in educational psychology from the University of Alberta, Canada. His research interests include cognitive educational psychology, classroom-based instruction, strategy training, problem solving, and at-risk youthProfessor of Education and Director, Centre for Attention and Related Disorders at the Graduate School of Education, The University of Western Australia. He received his PhD in educational psychology from the University of Birmingham, UK. His research interests include attentional disorders, severe antisociality in children and adolescents, emotion regulation, complex information processing and cognitive processes of at-risk adolescents Graduate School of Education, The University of Western, AustraliaProfessor of Psychology in the Department of Psychology, University of Strathclyde, United Kingdom. He received his PhD in developmental psychology, specialising in cognitive and communicative development in childhood and adolescence from Cambridge University, UK. His research interests include developmental psychology, at-risk children and adolescents, and the impact of media on children’s behaviour     

Affective determinants of treatment engagement in violent offenders

Affective factors are likely to play a major role in determining the extent to which offenders are able to engage with, and benefit from, treatment. In this article, it is argued that the relationship between affect and treatment engagement may be understood in three ways: the access the client has to emotional states, the ability to express such states, and the willingness of the client to do this in the therapeutic session. It is suggested that affective determinants of treatment readiness can be understood with reference to models of emotional regulation and that attention to these affective factors in the early stages of treatment is likely to promote engagement, reduce attrition, and consequently improve treatment outcomes for violent offenders.     

Melting curve SNP (McSNP) genotyping: a useful approach for diallelic genotyping in forensic science

The increasing availability of Single Nucleotide Polymorphisms (SNPs) and Deletion/Insertion Polymorphisms (DIPs), as well as the outstanding progress in SNP genotyping technologies, will impact forensics profoundly. We have developed a new method for genotyping SNPs and DIPs, which is based on the determination of melting curve profiles of amplified DNA in solution. We have termed this method Melting curve SNP (McSNP) genotyping. Melting curve profiles are composites of the particular melting temperatures (Tm) of the individual fragments that comprise the DNA sample. Simple mixtures of DNA can be resolved in a very robust and efficient fashion, since the samples can be scored in the plates in which they were amplified with no or very few post-PCR manipulations. As such, McSNP is one of the least expensive genotyping methods available and can and should be useful in forensic science.     

Driver and front seat passenger fatalities associated with air bag deployment. Part 1: A Canadian study

Real world motor vehicle collision research of injuries due to deployment of "first-generation" air bags has been conducted by Transport Canada since 1993. Fifty-three fatal crashes (36 frontal impacts; 17 side collisions) involving 48 drivers and 10 right front passengers were reviewed. In the Canadian data, air bag deployment in five of nine low severity frontal crashes (delta-V (deltaV) < 25 km/h or 15 mph) was linked to five deaths, four of whom were autopsied (four adults with craniocervical (basal skull and C2 fracture with brainstem avulsion; "closed head injury"--no autopsy) or chest trauma (aortic or pulmonary artery tears); one child with atlanto-occipital dislocation). An occupant who is close ("out-of-position") to the air bag at the time of deployment is at risk for injury. In 27 high severity frontal impacts, unusual (e.g., pulmonary "blast" hemorrhage in one autopsied case) or isolated potentially survivable injuries (e.g., clinically documented ruptured right atrium; probable flail chest observed during the autopsy on a decomposed body) localized to the head, neck or chest in three possibly out-of-position drivers pointed to the deployed air bag as a source of injury. In one of 17 side collisions an out-of-position driver sustained a radiographically confirmed C1-C2 dislocation in a minimally intruded vehicle.     

Agonizing Reappraisals: Anthony Eden, John Foster Dulles and the Crisis of European Defence, 1953-54

In 1953, the US government threatened to undertake an 'agonizing reappraisal' of its commitment to European security if the rearmament of West Germany through the European Defence Community (EDC) came to nothing. Although many in Europe dismissed the threat as a bluff, the British government, and Foreign Secretary Anthony Eden in particular, took it extremely seriously. In September 1954, following the demise of the EDC, the British broke with long-standing tradition and pledged to retain military forces in Germany at a set level for as long as their European allies so desired. This was Britain's own 'agonizing reappraisal', undertaken at Eden's prompting to neutralise the danger of the United States implementing its own version.     

Popular mobilization and disaster management in Cuba

Cuba has effectively implemented a system of popular mobilization and education to prepare people for such natural disasters as hurricanes. Compliance with evacuation orders is impressive. Top priority is attached to saving lives. The country's acclaimed programme accounts for the limited toll of Hurricane Michelle in November 2001, which was the most powerful storm since 1944. Five Cubans died in the storm, which wreaked havoc in Jamaica, Honduras, and Nicaragua. This article reviews recent Cuban experience in disaster preparedness, which was achieved despite material scarcity. Since the prestigious Intergovernmental Panel on Climate Change warns of increased susceptibility to disasters in future, Cuba's record deserves wide attention. Copyright © 2002 John Wiley & Sons, Ltd.