Differences between sexually victimized and nonsexually victimized male adolescent sexual abusers: developmental antecedents and behavioral comparisons

This study compares sexually victimized and nonsexually victimized male adolescent sexual abusers on a number of variables. Self-report measures were administered to 325 male sexually abusive youth (average age 16) in six residential facilities in the Midwest, 55% of whom reported sexual victimization. The results indicate that the sexually victimized sexual abusers have more severe developmental antecedents (trauma, family characteristics, early exposure to pornography and personality) and recent behavioral difficulties (characteristics of sexual aggression, sexual arousal, use of pornography, and nonsexual criminal behavior) than the nonsexually victimized group. Results are contrasted with recent typological research, which found no relationship between sexual victimization and subtype membership. Treatment, research, and theoretical implications are discussed.     

Biomarkers in drug development: friend or foe? A personal reflection gained working within oncology

Hopes and expectations for the use and utility of new, emerging biomarkers in drug development have probably never been higher, especially in oncology. Biomarkers are exalted as vital patient selection tools in an effort to target those most likely to benefit from a new drug, and so to reduce development costs, lessen risk and expedite developments times. It is further hoped that biomarkers can be used as surrogate endpoints for clinical outcomes, to demonstrate effectiveness and, ultimately, to support drug approval. However, I perceive that all is not straightforward, and, particularly in terms of the promise of accelerated drug development, biomarker strategies may not in all cases deliver the advances and advantages hoped for.     

Turning the Car Inside Out: Transport, Equity and Environment

"Turning the car inside out" describes how the environmental damage and social exclusion inflicted by the car can only be seen from outside the car. It explains how car use has reshaped land, time use, social relations and economic patterns. It creates ever more pressures for increased car use, yet inevitably leaves the people temporarily or permanently excluded from cars having to negotiate car distances and times. The worst scenario of car saturation is rejected as untenable both because of the permanent social and environmental impact, but also the self-defeating nature of the quest for mobility.     

Parameterization and inference for nonparametric regression problems

We consider local likelihood or local estimating equations, in which a multivariate function () is estimated but a derived function () of () is of interest. In many applications, when most naturally formulated the derived function is a non-linear function of (). In trying to understand whether the derived non-linear function is constant or linear, a problem arises with this approach: when the function is actually constant or linear, the expectation of the function estimate need not be constant or linear, at least to second order. In such circumstances, the simplest standard methods in nonparametric regression for testing whether a function is constant or linear cannot be applied. We develop a simple general solution which is applicable to nonparametric regression, varying-coefficient models, nonparametric generalized linear models, etc. We show that, in local linear kernel regression, inference about the derived function () is facilitated without a loss of power by reparameterization so that () is itself a component of (). Our approach is in contrast with the standard practice of choosing () for convenience and allowing ()> to be a non-linear function of (). The methods are applied to an important data set in nutritional epidemiology.     

A multimethod assessment of personal space development in female and male,black and white children

In order to obtain evidence of the effects of demographic parameters and measurement techniques on personal space, several different assessments were used to determine the impact of subject age, race, and sex on interpersonal distancing. Thirteen different variables representing stimulation, paper-and-pencil, and behavioral techniques indicated that as age increased, personal space requirements decreased, particularly for whites. Blacks as compared to whites required less space at age 7, and mixed-sex dyads tended to require more space than same-sex dyads. The results thus indicate that while some previous findings appear to be measurement method specific, others show intermethod consistency.     

DIVERSITY BUT NOT EQUALITY: DOMESTIC LABOUR IN COHABITING RELATIONSHIPS

This paper examines the domestic labour arrangements of cohabiting couples and the implications for gender equality. The discussion is based on a predominantly qualitative study of thirty young cohabiters. The men and women shared domestic labour in diverse ways but not equally, instead they used discursive strategies to avoid assessing whether their contributions were equal. The cohabiters expressed extremely egalitarian attitudes when asked general questions about society but equality is absent when they discuss their own relationships. I argue that the concept of equality is part of public discourse rather than a fundamental principle of cohabiting relationships.     

Social Competence in Preschool Children: Replication of Results and Clarification of a Hierarchical Measurement Model

This study tested assumptions and conclusions reached in an earlier confirmatory factor analysis (CFA) study of the social competence (SC) construct for preschool children. Two samples (total N = 408; a new Portuguese sample and one from US samples that had participated in the original study) contributed data. Seven SC indicators were tested for mean differences across age, sex, and sample. Significant sex differences were found for peer acceptance (favoring girls) and for initiating affectively neutral interactions (boys had higher rates), and the sex by sample interaction also was significant for initiating interactions (i.e., effect significant only in the Portuguese sample). In CFAs, the hypothesized structure of SC fits the data and was invariant across sample and age within sample in both measurement and structural tests. The model was invariant at the measurement level for sex within sample tests, but not at the structural level. The results replicate and extend understandings of SC reported in the original study.     

Health Issues of Homeless Youth

The purpose of this paper is to provide an overview of what is currently known about the health issues of homeless youth, focusing on risk-taking behaviors, health status, and access to care. The paper addresses the health issues of homeless youth in the U.S. within an international context. Existing data suggest that homeless adolescents exhibit high rates of risk-taking behaviors, face additional barriers to access of health care, and suffer from a high burden of poor health. However, most research on the health of homeless youth has been cross-sectional and has relied on convenience sampling. Future research should focus on conducting more methodologically rigorous studies on the specific health needs of homeless youth. Research should include eliciting information directly from the youth about their preferred health care interventions.