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Nanette S. Danielsson Allison G. Harvey Shane MacDonald Markus Jansson-Fröjmark Steven J. Linton 《Journal of youth and adolescence》2013,42(8):1223-1233
Depression is a common and debilitating disorder in adolescence. Sleep disturbances and depression often co-occur with sleep disturbances frequently preceding depression. The current study investigated whether catastrophic worry, a potential cognitive vulnerability, mediates the relationship between adolescent sleep disturbances and depressive symptoms, as well as whether there are gender differences in this relationship. High school students, ages 16–18, n = 1,760, 49 % girls, completed annual health surveys including reports of sleep disturbance, catastrophic worry, and depressive symptoms. Sleep disturbances predicted depressive symptoms 1-year later. Catastrophic worry partially mediated the relationship. Girls reported more sleep disturbances, depressive symptoms, and catastrophic worry relative to boys. The results, however, were similar regardless of gender. Sleep disturbances and catastrophic worry may provide school nurses, psychologists, teachers, and parents with non-gender specific early indicators of risk for depression. Several potentially important practical implications, including suggestions for intervention and prevention programs, are highlighted. 相似文献
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Markus Kröger 《The Journal of peasant studies》2016,43(4):886-909
With the rise of ‘bioeconomy’, trees are receiving increasing attention. This contribution conducts a preliminary analysis of the trajectories and the main drivers of change in the rise of new, flexible and multiple uses of trees. It assesses the political dimensions involved in this transformation, which is simultaneously ongoing, anticipated and imagined. Notes are offered on the issues to be considered when the flex-crop framework is operationalized to include the study of trees, and additional conceptualizations that help in analyzing the political economy of tree uses are provided. Areas needing further empirical study are identified and a preliminary research agenda is suggested. The flexible and multiple use of trees and tree-derived commodities is having a large impact on power relations in the global political economy of forestry and the forest industry, the asymmetry of which is based on who is best able to flex or de-multiply, thereby controlling commodity webs and processing technology. It is argued that while flexing seems to increase diversity, in practice it typically increases this only for the processing industry; the converse occurs in terms of the unification of the productive base into monocultures. However, these two processes go hand in hand, and illustrate how flexing is a deeply capitalist process. 相似文献
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Joseph Wagner 《Political Behavior》1986,8(1):45-80
The latest revisionism in the study of political tolerance has produced some of the most provocative well-designed research in the field of political science. In particular, the work by Sullivan, Piereson, and Marcus offers one of the most fully specified and rigorously executed models of public opinion formation. Yet this contemporary revisionism is flawed. This paper argues that these researchers misconceptualize tolerance, that this misconception contaminates their measurement process, that the resulting model is misspecified, and that the political conclusions offered are not supported in fact or principle. More generally this paper argues that the field of public opinion as a whole has been trapped by limited conceptions about the nature of cognitive constraint and by simplistic and inadequate methods for measuring and identifying this constraint. To remedy this, a developmental measure of cognitive moral stages is fashioned along lines suggested by Kohlberg. This measure satisfies a number of tests for both validity and reliability and appears to be one of the most powerful predictors of tolerance and intolerance — if not the most powerful single predictor. 相似文献
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Kenneth?Wagner Laura?J.?MoriartyEmail author 《American Journal of Criminal Justice》2002,26(2):219-233
Employees rate the fairness of organizational policies by applying principles of distributive and procedural justice. Using
Leventhal’s (1980) Principles of Procedural Justice, the current study surveyed 279 upper-level college and graduate students
to determine the impact each principle has on support for drugtesting policies. The results support the hypothesis that drug-testing
programs that violate these principles are viewed as unfair. 相似文献
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So-called exit bags are voluminous, transparent plastic bags, each with a collar to go round the neck, and a Velcro fastening. In conjunction with the consumption of sleeping pills, the bags are recommended as an aid to commit suicide by organizations in favour of "humane death". It is reported on four such suicides by elderly people between 79 and 87 years of age. In two of these cases, there was assistance in committing suicide, one corresponding to a suicide protocol from the Swiss organization for euthanasia, EXIT. In two cases, detailed instructions for committing suicide were found. The morphological findings were not very specific in any of the cases. If the plastic bags are removed by a third party, this type of suicide may remain undetected even after performance of an autopsy. Exit bags tend to be used by older people with either real or feared life-threatening illnesses, in suicides which have usually been planned for some time. From the criminological point of view, the possible active participation of other persons in pulling the covering over the head can often not be proved. Assisting a suicide, in the sense of giving instructions on how to accomplish it, is not punishable in German law. 相似文献
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