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911.
912.
In this paper we use primary data on 500 Ghanaian FBOs collected through semi-structured interviews and risky dictator games (RDG) to test the validity of the cooperative life cycle theory and formulate a measure of cooperative health. We first define cooperative health as the alignment of heterogeneity in risk preferences and the effectuation of collective investments. We then use cluster and correlation analysis to categorize FBOs on the basis of their health and correlate these typologies with various performance indicators. Our findings reveal that organizational health is generally low as there are only a few organizations that manage to provide member-farmers with both risk-sharing and cost-saving opportunities. Further, healthier FBOs experience stronger growth in membership while health is lower in FBOs that have been established for the purpose of benefitting from external incentives.  相似文献   
913.
914.
Abstract: This study was based on a morphometric analysis of bite marks starting from the quantitative definition of the anterior teeth by the geometric acquisition of the “injuries,” using bite marks impressed on pig skin and plastic. Each mark was photographed and acquired. A dedicated program automatically supplied the values of the shape factors and the areas of the pattern geometric figures. The values obtained for the homologous samples were compared to the heterologous values. Statistical comparison was made of the sets by linear regression, determining the correlation coefficient and the determination coefficient for each value. Results showed only 4.8% and 2% of overlap between homologous and heterologous values. This study was carried out in attempting to quantitatively define the anterior teeth of the human dentition and the procedure described and the results obtained support the advantage of morphometric studies and computer‐aided programs in this study of bite marks.  相似文献   
915.
Why Bell Matters     
  相似文献   
916.
Proportionality is widely accepted as a necessary condition of justified self-defense. What gives rise to this particular condition and what role it plays in the justification of self-defense seldom receive focused critical attention. In this paper I address the standard of proportionality applicable to personal self-defense and the role that proportionality plays in justifying the use of harmful force in self-defense. I argue against an equivalent harm view of proportionality in self-defense, and in favor of a standard of proportionality in self-defense that requires comparable seriousness and takes into account the wrong, as opposed simply to the harm that the victim is fending off. I distinguish the standard of proportionality in self-defense from proportionality in circumstances of necessity, and I discuss whether proportionality is an internal or an external constraint on the right of self-defense.  相似文献   
917.
对一份文件最早制成时间的检验一直以来都是全世界文检界的难题之一。核实可疑文件的制成时间没有统一的方法,目前主要通过对纸张、墨迹、打字机、复印机、打印机、传真机、印刷品,以及笔迹和签名等因素的检验来确定一份文件的制成时间。文件检验人员需要充分利用他们手中的文件的内容及文件周边信息所反映出来的条件和材料,进而得出结论。  相似文献   
918.
919.
Engagement in school is crucial for academic success and school completion. Surprisingly little research has focused on the relationship between student engagement and delinquency. This study examines whether engagement predicts subsequent school and general misconduct among 4,890 inner-city Chicago elementary school students (mean age: 11 years and 4 months; 43.3% boys; 66.5% black; 28.8% Latino). To improve upon prior research in this area, we distinguish three types of engagement (emotional, behavioral, and cognitive), examine whether the relationship between engagement and misconduct is bidirectional (misconduct also impairs engagement), and control for possible common causes of low engagement and misconduct, including peer and family relationships and relatively stable indicators of risk-proneness. Emotional and behavioral engagement predict decreases in school and general delinquency. However, cognitive engagement is associated with increases in these outcomes. School and general delinquency predict decreased engagement only in the cognitive domain. Suggestions for future research and implications for policy are discussed.  相似文献   
920.
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