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Updegraff Kimberly A. Helms Heather M. McHale Susan M. Crouter Ann C. Thayer Shawna M. Sales Lara H. 《Journal of youth and adolescence》2004,33(5):403-420
This study examined the nature and correlates of different patterns of perceived control in adolescents' relationships with their best friends. Participants included firstborn adolescents (M = 14.94 years), their younger siblings (M = 12.44 years) and both their mothers and fathers in 163 families as well as a best friend of each adolescent (M = 15 years). Data were collected from family members during home visits regarding adolescents' family relationships, friendships, and psychosocial adjustment; time use data were gathered during a series of 7 nightly phone interviews. Information was obtained from best friends during a brief phone interview. We developed a typology of 3 different patterns of perceived friendship control based on the combination of adolescents' and their best friends' ratings of relational control. Patterns of control in adolescents' friendships were associated with the distribution of control in both parents' marriages and adolescents' sibling relationships. Further analyses, designed to test developmental predictions, revealed connections between friendship control and other qualities of adolescents' friendships (i.e., intimacy, conflict, perspective-taking). 相似文献
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Ernst L Krüger K Lindigkeit R Schiebel HM Beuerle T 《Forensic science international》2012,222(1-3):216-222
Herbal smoking blends, available on the German market were analyzed and several known synthetic cannabinoids were identified (JWH-122 and JWH-018). In addition, we isolated a new active ingredient by silica gel column chromatography and elucidated the structure by nuclear magnetic resonance (NMR) methods. The compound was identified as JWH-307, a synthetic cannabinoid of the phenyl-pyrrole subclass with known in vitro binding affinities for cannabinoid receptors. To date, this is the first appearance of this subclass of cannabimimetics in such products. JWH-307 has been further characterized by gas chromatography accurate mass spectrometry (GC-HRMS), electrospray tandem mass spectrometry (ESI-MS/MS), ultraviolet (UV) and infrared (IR) spectroscopy. JWH-018 was among the first compounds banned by many countries world-wide including Germany. The identification of JWH-018 was striking, since this is the first report where JWH-018 recurred on the German market thus violating existing laws. A generic method was established to quantify synthetic cannabinoids in herbal smoking blends. Quantification was achieved using an isotopically labeled standard (JWH-018-D(3)). JWH-018 was found at a level of 150mg/g while JWH-122 and JWH-307 occurred as a mixture at a total level of 232mg/g. 相似文献
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Ludger Helms 《Democratization》2016,23(3):459-477
Democracies are, by definition, marked by a strong normative commitment to innovation and change, and all democratic regimes must seek to generate innovations both to keep their fundamental promise and to secure their own survival. In response to the latent crisis of representative democracy, recent political research has devoted eager attention to innovating democratic institutions, yet with conspicuously little regard for the likely effects of such reform proposals on the innovation-related performance and innovation capacity of democratic regimes. Indeed, some reform proposals, if implemented, would appear to reduce rather than increase the innovation capacity of representative democracies. Innovation-focused leadership may be able to fill that gap and provide what even the best institutions alone are unable to accomplish. In contrast to recent research on leadership and innovation in the public sector, which tends to centre on forms of collaborative leadership within networks, this article emphasizes the importance of individual leaders, and more specifically of political chief executives whose status and position in the governance process have been significantly enhanced by a combination of different factors. However, while leadership might be the key to democratic political innovation, innovative leadership and institutional engineering remain closely related to one another. 相似文献
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Ludger Helms 《West European politics》2013,36(2):37-52
This article analyses the electoral support and parliamentary representation of right‐wing populist parties in Austria (FPO) and Switzerland (SD, AP/FPS, Lega dei Ticinesi). Contrary to the empirical evidence in many other fields of the political systems in these two Alpine republics, the analysis reveals strong differences rather than similiarities in the electoral support of right‐wing populist parties in both countries. This is explained by the differences in political culture and historic circumstances, performance of the established (governing) parties, party political penetration of social institutions, structure of the party system and the contrasting importance of direct‐democratic structures in the two countries. The exceptional skill of the right‐wing populist leader in Austria can also be seen as a significant factor. In contrast, neither social and economic variables, such as the economic situation, the unemployment rate and the overall number of asylum‐seekers, nor the strength and performance of green‐alternative parties seem to be important factors in explaining the differing success of right‐wing populist parties in Austria and Switzerland. 相似文献
6.
Ronald Helms 《Journal of criminal justice》2009,37(1):10-20
The empirical sentencing literature has focused intensively on racial equity concerns, but this research added to the literature by analyzing political-contextual sources of punishment. This study developed a functional model of court decision making and used ordinal logit to assess court punishment decisions in 387 counties across seven states. The findings supported established assumptions about individual level punishment determinants, but showed that political environment indicators also predicted sentence severity. Interactions were present as well. In law and order environments Black defendants received enhanced sentences, but in jurisdictions with the largest Black populations, Black defendants faced reduced punishments. With individual and state level effects held constant, the findings from this research reinforced claims that punishment is intensely political. 相似文献
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Ludger Helms 《Public administration》2015,93(3):832-834
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This paper argues that the anticipation of protection can have astimulating effect on exports instead of the commonly claimed effect of harassment. If protection serves market cartelization by fixing export quantities or prices, exporters may have an incentive to increase their sales abroad in order to secure a large share of the expected rent, which is brought about by the anticipated import restriction. This may even result in sales below marginal costs or dumping.The effect of the protectionist threat may then be the reverse of what is intended: it can raise the speed of import penetration and it can provoke dumping. A formal model and a supportive institutional analysis of EC trade protection is supplemented by preliminary empirical evidence. 相似文献