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11.
A semen stain, apparently contaminated with a detergent cleanser, was received for examination. The contamination interfered with the normal biochemical reactions of such stains. Treatment of the sample enabled ABO groups to be determined.  相似文献   
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This article develops a theory of presidential unilateralism in which both ideological divergence with Congress and legislative capacity influence the president's use of executive orders. We argue that when Congress is less capable of constraining the executive, the president will issue more executive orders during periods of divided government. Conversely, in periods of high legislative capacity, the president is less likely to issue executive orders when faced with an opposed Congress. Based on an examination of institutional changes, we identify years prior to the mid‐1940s as characterized by low congressional capacity and the subsequent period as characterized by high capacity. Testing the theory between 1905 and 2013, we find strong support for these predictions and demonstrate that legislative capacity conditions the role of ideological disagreement in shaping presidential action. Overall, this article deepens our current understanding of the dynamics of separation‐of‐powers politics and the limits of executive power.  相似文献   
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To investigate age-related differences in strategies used to evaluate political candidates, an experimental study employed protocol tracing techniques with a computerized information matrix. Forty younger and forty older adults gathered information about and evaluated candidates in national and local elections. Older adults accessed less information but took longer to examine information and make choices. Differences in strategic processing suggest that young adults were more likely to organize their information searches by issues and to eliminate candidates based on issue stances. In contrast, older adults were more likely to organize their information searches by candidates and to engage in satisficing.  相似文献   
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Assessing mental health problems cross-culturally for children exposed to war and violence presents a number of unique challenges. One of the most important issues is the lack of validated symptom measures to assess these problems. The present study sought to evaluate the psychometric properties of two measures to assess mental health problems: the Achenbach Youth Self-Report and the Child Posttraumatic Stress Disorder Symptom Scale. We conducted a validity study in three refugee camps in Eastern Ethiopia in the outskirts of Jijiga, the capital of the Somali region. A total of 147 child and caregiver pairs were assessed, and scores obtained were submitted to rigorous psychometric evaluation. Excellent internal consistency reliability was obtained for symptom measures for children and their caregivers. Validation of study instruments based on local case definitions was obtained for the caregivers but not consistently for the children. Sensitivity and specificity of study measures were generally low, indicating that these scales would not perform adequately as screening instruments. Combined test–retest and inter-rater reliability was low for all scales. This study illustrates the need for validation and testing of existing measures cross-culturally. Methodological implications for future cross-cultural research studies in low- and middle-income countries are discussed.  相似文献   
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Can legislatures effectively check unilateral executive power? One prominent and counterintuitive finding in previous work is that executives pursue unilateralism less often under divided government. While executives see greater potential policy gains through unilateral action during divided government, we argue that their likelihood of acting unilaterally depends on an opposed legislature's ability to retaliate. When polarization is high and majorities are marginal, executives are freer to act unilaterally given the difficulties legislatures have in statutorily responding. Unilateralism is also more likely when facing opposition if legislatures lack nonstatutory means of punishment, such as regulatory review. In the largest analysis of gubernatorial executive unilateralism to date, we use a new data set of 24,232 executive orders in the 50 American states between 1993 and 2013 to evaluate this argument and find strong support for its predictions. These results provide insights into how legislative policymaking capacity can influence the functioning of separation of powers systems.  相似文献   
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This article discusses the lack of congruence between academic research and practice in the field of public administration. It argues that this disconnect can be traced to the ambiguous and conflicting goals and expectations of scholarly research: (1) the creation of theoretical versus pragmatic knowledge; (2) the use of data-supported versus logic-driven information; (3) the use of the scientific method versus case studies; (4) the prestige of academic-oriented versus practitioner-oriented journals; and (5) the pressures of academic tenure versus the need for organizational effectiveness. The article explores the state of academic research in other disciplines and offers five solutions to narrow the gap between the academy and the agency settings.  相似文献   
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This ex post facto study of officially reported child abuse and neglect incidents examined the demographic and dynamic variables associated with reportedly maltreating adolescent mothers of differing ages. A sample of one half of all the incidents reported within Maricopa County, Arizona, was drawn for the period January 1, 1976, through December 31, 1978 (N =5,098). Adolescent mothers were compared on the basis of their age at the time of the incident, and were categorized as younger adolescents (less than 16 years of age) and older adolescents (16 to 19 years of age). It was found that this total sample of adolescents was faced with pressures such as those found within the general, non-age-specific maltreating population. However, the younger adolescent was faced with the greatest financial stress, yet was less likely to be receiving any income supplement. Additionally, the younger adolescent was more likely to be a minority group member, was less likely to be married, and the maltreating situation involved neglect of children. In sum, the reported situation was likely to have been a direct result of the financial, educational, employment, and life experience limitations found in the adolescent's environment. Discussion of the findings reported that the younger adolescent parent's problems were rooted in basic survival and environmental stabilization needs. Implications and suggestions for further research are also presented.  相似文献   
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