Lesbian Mothering in the Context of Intimate Partner Violence

SUMMARY

Twenty-four lesbian mothers (12 African American, 9 White, and 3 Latina) who had experienced physical abuse by a same-sex partner were interviewed. Three types of IPV were found: intimate terrorism, situational violence, and mutual violent control. Further, relationships between mothers/abusers, mothers/children, and abusers/children were examined. Regarding relationships with abusers, 71% of mothers reported lengthy sagas, 17% had worked it out, and 13% made a clean break from the abuser. Regarding relationships with their children, 48% of mothers hid the violence, 26% minimized it, and 26% openly communicated about the situation. Relationships between abusers and the mothers' children were found to be either co-parental (29%), playmate (21%), abusive (21%), or non-parental (21%). Correlations among relational and demographic variables were also examined.     

A consistent nonparametric density estimator for the deconvolution problem

The problem of nonparametric estimation of a probability density function when the sample observations are contaminated with random noise is studied. A particular estimator f?_n(x) is proposed which uses kernel-density and deconvolution techniques. The estimator f?_n(x) is shown to be uniformly consistent, and its appearance and properties are affected by constants M_n and h_n which the user may choose. The optimal choices of M_n and h_n depend on the sample size n, the noise distribution, and the true distribution which is being estimated. Particular selections for M_n and h_n which minimize upper-bound functions of the mean squared error for f?_n(x) are recommended.     

Career Decision Making of Lesbian,Gay, and Bisexual Individuals

In this article, the career decision making of lesbian, gay, and bisexual individuals is discussed in the framework of personal (interests, values, and skills) and environmental factors and their interactive influences. Suggestions for research and practice are proposed.     

The relationship between individual expectations and behaviors: Mortality expectations and smoking decisions

Using data from the Health and Retirement Study, we assess the accuracy of subjective beliefs about mortality and objectively estimated probabilities for individuals in the same sample. Overall, subjective beliefs and objective probabilities are very close. However, there are differences conditional on behaviors, with current smokers being relatively optimistic and never smokers relatively pessimistic in their assessments. In the aggregate, individuals accurately predict longevity, but at the individual level, subjective beliefs provide information in addition to the estimated objective probabilities in predicting actual events, which may arise from the effect of past or anticipated decisions on these beliefs.

Social engineering of community building: Examination of policy process and characteristics of community construction in China

This article briefly introduces the history and major policiesof a massive community construction project launched by thePeople's Republic of China in the mid-1980s. Based on a literaturereview and field observations, the authors highlight four characteristicsof this project: muddling through chaos, top-down control, regulatedparticipation, and community as functional establishment. Itis argued that the goal of the project is not to recreate, inChina, a Western model of civil society, but to restructurethe existing urban administrative structure so that it can adaptto new social demands. By transforming the grassroots neighbourhoodorganization – the residents' committee – into awelfare provider, this project is expected to ease the state'swelfare burden while maintaining its political control.     

The Associations Between Socioeconomic Status,Caregivers' Depressive Symptoms,Children's Health‐Promoting Behavior,and Children's Physical Health: A Mediation Model

The aim of this study was to examine the mediating effects of children's health‐promoting behaviors on the association between socioeconomic status, caregivers' depressive symptoms, and children's physical health outcomes. We used the first wave of “Seoul Education and Health Welfare Panel.” Data were collected from 820 fourth‐grade elementary and first‐year middle school students and their caregivers using self‐administered surveys. Structural equation modeling was employed to analyze the mediating effects of health‐promoting behaviors. Bias‐corrected bootstrap confidence intervals were used to test the mediating effect. The results showed that both low socioeconomic status and caregivers' depressive symptoms were negatively associated with a child's health‐promoting behaviors. Children's health‐promoting behaviors were positively associated with physical health. However, children's physical health was not significantly associated with socioeconomic status but was marginally associated with caregivers' depressive symptoms. We found that children's health‐promoting behaviors significantly mediated associations between both socioeconomic status and children's physical health and between caregivers' depressive symptoms and children's physical health. Based on the findings, we suggest the development and implementation of school‐based, health‐enhancement programs as a means to improve the general health of all children and to reduce health inequalities.     

Implementation with Near‐Complete Information

Many refinements of Nash equilibrium yield solution correspondences that do not have closed graph in the space of payoffs or information. This has significance for implementation theory, especially under complete information. If a planner is concerned that all equilibria of his mechanism yield a desired outcome, and entertains the possibility that players may have even the slightest uncertainty about payoffs, then the planner should insist on a solution concept with closed graph. We show that this requirement entails substantial restrictions on the set of implementable social choice rules. In particular, when preferences are strict (or more generally, hedonic), while almost any social choice function can be implemented in undominated Nash equilibrium, only monotonic social choice functions can be implemented in the closure of the undominated Nash correspondence.     

Does Size Matter? Comparing Medium‐Term Cost‐Effectiveness of Group Homes with Institutional Care in South Korea

Using unique 5‐year longitudinal data on Korean children in group homes and those under institutional care, this paper compared the medium‐term cost‐effectiveness of group homes and that of institutional care facilities in terms of developmental outcomes. Results from propensity score matching estimation show that children in group homes tend to have more desirable positive outcomes and fewer behavioral problems in the medium term to a statistically significant margin. The cost‐effectiveness ratio of being placed in a group home is consistently higher than placement in an institutional care facility. That is, for one dollar spent on an out‐of‐home care service, we anticipate the children in group homes have more desirable outcomes in the medium term than their counterparts in institutional care facilities.     

Risk Prediction for Prostate Cancer Recurrence Through Regularized Estimation with Simultaneous Adjustment for Nonlinear Clinical Effects

In biomedical studies, it is of substantial interest to develop risk prediction scores using high-dimensional data such as gene expression data for clinical endpoints that are subject to censoring. In the presence of well-established clinical risk factors, investigators often prefer a procedure that also adjusts for these clinical variables. While accelerated failure time (AFT) models are a useful tool for the analysis of censored outcome data, it assumes that covariate effects on the logarithm of time-to-event are linear, which is often unrealistic in practice. We propose to build risk prediction scores through regularized rank estimation in partly linear AFT models, where high-dimensional data such as gene expression data are modeled linearly and important clinical variables are modeled nonlinearly using penalized regression splines. We show through simulation studies that our model has better operating characteristics compared to several existing models. In particular, we show that there is a non-negligible effect on prediction as well as feature selection when nonlinear clinical effects are misspecified as linear. This work is motivated by a recent prostate cancer study, where investigators collected gene expression data along with established prognostic clinical variables and the primary endpoint is time to prostate cancer recurrence. We analyzed the prostate cancer data and evaluated prediction performance of several models based on the extended c statistic for censored data, showing that 1) the relationship between the clinical variable, prostate specific antigen, and the prostate cancer recurrence is likely nonlinear, i.e., the time to recurrence decreases as PSA increases and it starts to level off when PSA becomes greater than 11; 2) correct specification of this nonlinear effect improves performance in prediction and feature selection; and 3) addition of gene expression data does not seem to further improve the performance of the resultant risk prediction scores.     

Mindfulness,Emotion and Behaviour: An Intervention Study with Chinese Migrant Children

Migrant children in China who move from rural to urban areas face significantly greater emotional and behavioural challenges than their urban peers. In recent decades, western countries have used mindfulness to enhance child psychosocial and behavioural outcomes. This approach has not yet been applied to rural‐to‐urban migrant children in China. This study utilised one‐group pretest‐posttest design to examine the effects of a 4‐week school‐based mindfulness intervention on Chinese migrant children's emotions and behaviours. The results show that mindfulness training significantly improved participants’ mindfulness. The training was particularly effective for those with lower mindfulness at baseline. There was significant decrease in students’ internalising and externalising problems after mindfulness training, particularly internalising problems.