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941.
In a longitudinal investigation of the antecedents and pathways of teen parenthood, 475 participants (248 females and 227 males) were followed from Grade 7 through early adulthood. In the first year of the investigation, homogeneous subgroups were identified by clustering participants on five characteristics (i.e., aggression, popularity, academic competence, age, and socioeconomic status). At the same time, peer social networks were identified by the Social Cognitive Map procedure. For each participant, the configuration of peer characteristics was also identified. A high correspondence was found between the individual characteristics and the characteristics of closely affiliated peers. Both teen fatherhood and teen motherhood were predicted by individual configurations and peer configurations (e.g., a combination of high aggression, low academic competence, low popularity, and low family SES). Peer characteristics, race, and family socioeconomic status assumed unique roles in predicting teen motherhood. Growth curve analyses showed that teen-mothers differed from non-mothers in their starting points and developmental trajectories. This study demonstrated that a simultaneous examination of both the individual and his/her peer context yielded important information on teen parenthood.  相似文献   
942.
943.
Using data drawn from the National Longitudinal Study of Adolescent Health (Add Health), this study examined males' and females' criminality in young adulthood with models that considered the associations of both their own past delinquency and their current partners' criminality. Specific models considered the main effects of both previous adolescent delinquency and violence and current opposite sex romantic partners' criminality and violence, as well as the interaction of these with each other and by sex of primary participant. Main effects for adolescent delinquency and partners' criminality were significant; however, the results of the interactions by sex suggest different patterns of results for males and females. Models run separately by sex showed that having a prior delinquent history predicted adult criminality for males but not for females, while being in a relationship with a criminal partner increased the odds of criminal behavior in young adulthood for both males and females. A different pattern of results was found for violence in young adulthood. Having a prior violent history predicted adult violence for males and females. However, being in a relationship with a violent partner increased the odds of violent behavior for females only.  相似文献   
944.
Protecting riparian corridors is a commonly applied environmental policy in urban landscapes. However, empirical data demonstrating their efficacy for biodiversity conservation outcomes is scarce. In this study we investigated whether riparian corridor width influences the diversity and community structure of ant (Hymenoptera: Formicidae) and vascular plant assemblages therein. Eighteen corridors of differing widths were selected from within the Ku-ring-gai Local Government Area, Sydney Australia. Ants were sampled using pitfall traps positioned within rectangular vegetation transects (30 × 10 m). Both ant and plant species richness, when standardised for sampling effort, were unrelated to riparian corridor width. However, significant compositional differences between sites were evident with increased width up to ~50 m. Narrow corridors contained greater abundances of opportunistic ant species and higher proportions of exotic plants. We interpret this to be the result of the greater disturbance/edge influence derived from adjacent upland urban environments. Site beta diversity did not increase with corridor width, suggesting that the exclusion of novel upslope habitats in narrow riparian corridors is not a significant cause of community assemblage modification at these sites. To minimise the impact of deleterious edge effects on ant fauna, environmental managers should seek to retain riparian corridors wider than ~50 m. However, we observed substantial between-site variability of biotic assemblages, irrespective of corridor width. Therefore we recommend that environmental management practice needs to take a catchment-wide approach and consider other parameters that may contribute to riparian health so as to optimise the protection of riparian biodiversity.  相似文献   
945.
Community, work and family have been studied as practice and experience on an international scale. This work has included research with ethnic minority groups, usually practised by 'insiders' who share their participants' ethnicity, culture and first language. Many of these people live and work in extended family networks, part of a relatively small community embedded within a larger one. Generally, researchers do not have the language skills necessary to communicate with a linguistically diverse population. However, there has been a call to give a voice to, and hence empower, minority groups through the research process. It is in this context that a consideration of the use of interpreters in research on community, work and family can be made. Within this paper we present exploratory suggestions, drawn from our own research, for the appropriate use of an interpreter. This includes a discussion of the practical considerations and implications involved in this research activity, as well as more conceptual issues. Finally, the ways in which this research activity should be documented to reflect concerns in current qualitative methodological debates are considered. La communauté, le travail et la famille sont des sujets qui ont été étudiés, tant au niveau de la pratique que de l'expérience, à l'échelon international. Cette étude a envelopéune recherche parmi les groupes éthniques en minorité, dans l'ensemble vécue par des gens qui connaissent les choses de l'intérieur et qui partagent l'identité éthnique, la culture et la langue maternelle. Nombreux, parmi eux, sont des gens qui vivent et travaillent dans le cadre de familles étendues et font partie d'une petite communauté au sein d'une communaute plus grande. Dans l'ensemble, les chercheurs n'ont pas les competences linguistiques nécessaires pour communiquer avec une population de langues diverses. Cependant, il s'est avéré qu'il est plus que nécessaire de donner la parole et, de là, donner le pouvoir, aux groupes minoritaires au travers de la procedure du travail de recherche. C'est dans ce contexte que la considération de l'utilité de faire appel à des interprètes dans le domaine de la recherche qui embrasse la communauté, le travail et la famille, peut etre faite. Dans ce papier, nous soumettons des suggestions exploratoires, tirées de notre propre recherche, pour l'utilisation appropriée d'un interprete. Cela inclue une discussion sur les considerations pratiques et les implications contenues dans l'activite de cette recherche, y compris des activités conceptuelles. Pour finir, nous considérons la manière dans laquelle cette recherche devrait être documentée afin de refléter les débats méthodologiques qualitatifs en cours.  相似文献   
946.
Most standard textbooks identify three essential elements of effective corporate planning: an information input of appropriate depth, critical appraisal of the company's relative position and application of advanced evaluation techniques. Extension of the vision period, for long range or strategic planning, will unavoidably introduce further complexities into these constituent routines of corporate planning as well as into the strategic decision making process. The author reviews the long term outlook for paper and board suppliers and users and points out the strategic advantages of these basic materials.  相似文献   
947.
Hypothesized risk factors for men's and women's clinically significant intimate partner violence (CS‐IPV) from four ecological levels (i.e., individual, family, workplace, community) were tested in a representative sample of active‐duty U.S. Air Force members (N = 42,744). When considered together, we expected only individual and family factors to account for unique variance in CS‐IPV perpetration. Hypothesized factors from all four ecological levels were related to men's CS‐IPV perpetration bivariately, but, as expected, only individual and family factors accounted for unique variance across ecological levels. For women, only risk factors from the individual and family levels were significantly related to CS‐IPV perpetration even bivariately. Results imply somewhat different risk profiles across gender and identify ecological risk factors of men's CS‐IPV not previously studied.  相似文献   
948.
949.
950.
Service-Robotic—mainly defined as “non-industrial robotics”—is identified as the next economical success story to be expected after robots have been ubiquitously implemented into industrial production lines. Under the heading of service-robotic, we found a widespread area of applications reaching from robotics in agriculture and in the public transportation system to service robots applied in private homes. We propose for our interdisciplinary perspective of technology assessment to take the human user/worker as common focus. In some cases, the user/worker is the effective subject acting by means of and in cooperation with a service robot; in other cases, the user/worker might become a pure object of the respective robotic system, for example, as a patient in a hospital. In this paper, we present a comprehensive interdisciplinary framework, which allows us to scrutinize some of the most relevant applications of service robotics; we propose to combine technical, economical, legal, philosophical/ethical, and psychological perspectives in order to design a thorough and comprehensive expert-based technology assessment. This allows us to understand the potentials as well as the limits and even the threats connected with the ongoing and the planned implementation of service robots into human lifeworld—particularly of those technical systems displaying increasing grades of autonomy.  相似文献   
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