Adaptive Estimation of the Integral of Squared Regression Derivatives

A problem of estimating the integral of a squared regression function and of its squared derivatives has been addressed in a number of papers. For the case of a heteroscedastic model where smoothness of the underlying regression function, the design density, and the variance of errors are known, the asymptotically sharp minimax lower bound and a sharp estimator were found in Pastuchova & Khasminski (1989). However, there are apparently no results on the either rate optimal or sharp optimal adaptive, or data-driven, estimation when neither the degree of regression function smoothness nor design density, scale function and distribution of errors are known. After a brief review of main developments in non-parametric estimation of non-linear functionals, we suggest a simple adaptive estimator for the integral of a squared regression function and its derivatives and prove that it is sharp-optimal whenever the estimated derivative is sufficiently smooth.     

Longitudinal links of parental solicitation,knowledge, and peer approval with deviance during early adolescence

The current study examined growth-to-growth associations of parental solicitation, knowledge, and peer approval with deviance during early adolescence, using a 4-wave, 18-month self-reported longitudinal data set from 570 Czech early adolescents (58.4% female; M_age = 12.43 years, SD = 0.66 at baseline). Unconditional growth model tests provided evidence of significant changes in the three parenting behaviors and in deviance over time. Multivariate growth model tests showed that declines in maternal knowledge were associated with increases in deviance, while greater increases in parental peer approval were associated with slower increases in deviance. Findings provide evidence of dynamic changes in parental solicitation, knowledge, and peer approval over time, as well as in deviance; additionally, they importantly show how parental knowledge and peer approval covary developmentally with deviance.     

Supporting the agency of cities as climate migration destinations

As climate migration has garnered the interest of research and policy communities over the last two decades, the focus has been on whether, how and where climate stresses might precipitate out-migration, and how to assist and protect those affected. Less attention has gone to the places that receive climate migrants, and how their arrival might affect adaptation at destination. Against the backdrop of increasingly severe climate disruptions, this paper examines the likelihood of climate-related movements going into urban areas, and the challenges that this may entail for those who move and for urban governance. With much of climate migration projected to feed into existing urbanization trends, we see the need for data and research to help bolster the agency of communities and cities to plan and act locally, and across geographies, for inclusion and resilience, and to advocate collectively for enabling policy frameworks and increased national and international support.     

A Social Psychology of National and International Group Relations

This concluding article provides a framework for a social psychological analysis of intergroup conflict and conflict resolution. The framework highlights the individual and intergroup factors that shape the nature of perceptions of intergroup relations and group representations, and describes how these perceptions lead to cognitive, affective, and behavioral responses toward groups. Included in the framework are the metatheoretical, theoretical, and practical contributions of the articles in this issue toward understanding intergroup relations. The potential and responsibility of social psychologists to move beyond the laboratory to applied national and international issues is also discussed.     

Pragmatics of Self- and Other-Reference in Young Children

During the first years of life, children come to understand and talk about a self separate from others. This study examined self- and other-reference and communicative intents expressed by children and parents in dyadic interaction at 14, 20 and 32 months. Research questions included whether children's early use of self- and other-reference pronouns occurred for expression of particular communicative intents, how use changed with age, and whether parent and child pragmatic expressions of self and other were similar. Results showed that children's early explicit reference to self tended to take the form of I rather than me/my/mine, and was used primarily in making statements about their intended actions, in making requests or proposals to their parents and in stating propositions about the world around them. Children during this developmental period were only beginning to refer to the present other with the pronoun you and these instances occurred primarily in making requests or proposals. Despite age-related increases in pronominal forms and intents, a small set of intents continued to provide the context for most self- and other-reference pronouns. In the communicative contexts in which they explicitly refer to self and other, children did not appear to exclusively mirror those which were observed in parental speech.     

Governance in Public-Private Community Health Partnerships: A Survey of the Community Care Network SM Demonstration Sites

This review of the governance practices of twenty-five public-private partnerships involved in addressing a broad range of community health needs shows that governance in public-private community partnerships departs significantly from traditional notions of institutional governance. Governance structures and degrees of progress toward governance goals vary widely and appear to be systematically related to the organization, composition, location, and activity of each partnership.     

Young Children's Emotional Attachments to Stories

In the interest of developing a more holistic and integrated understanding of young children's experience of stories, this study describes preschoolers' emotional attachments to stories and the cultural beliefs and practices which surround such attachments. Thirty-two European-American, middle-class families, participated in an interview study of their children's story attachments, and five of these mothers also participated in a short-term, longitudinal diary study. Every child experienced at least two emotional attachments to stories. Children were captivated by stories presented in different media, with many attachments occurring around video stories in addition to books. They expressed their attachments by repeatedly requesting the story, expressing strong feelings, and enacting the story in pretend play. Story attachments were social in two fundamental ways: children created relationships with the characters in their favorite stories, and story attachments emerged in the context of relationships with caregivers whose beliefs and practices supported such attachments.