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The presence of cocaine in illicit drug samples is still being determined in some laboratories using spot tests and microcrystal tests. Seventeen chemical species were tested using three different spot tests (Wagner, Marquis, and cobalt thiocyanate followed by stannous chloride reactions) and two microcrystal tests (gold chloride and platinic chloride) to determine whether the results could be differentiated from the results of these tests on cocaine. The data obtained indicated that nine of the 17 compounds gave results similar to those from cocaine using the three spot tests, but that the results from microcrystal testing allowed for differentiation of all nine compounds from cocaine. 相似文献
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Law and Philosophy - 相似文献
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Self-esteem and delinquency 总被引:7,自引:0,他引:7
Florence R. Rosenberg Morris Rosenberg Joan McCord 《Journal of youth and adolescence》1978,7(3):279-294
Cross-lagged panel correlation technique is used to examine whether self-esteem has a greater effect on delinquency than delinquency has on self-esteem. Analysis of a nationwide study of tenth-grade boys shows that self-esteem is the more powerful causal factor, even when initial levels of delinquency are held constant. This result, however, is found to be stronger in the lower class than in the upper class. These data are interpreted as lending greater support to Kaplan's theory of the self-enhancing nature of delinquent behavior than to the idea of reflected appraisals.The research reported in this article was funded by a grant from the National Institute of Mental Health (MH27747), which is gratefully acknowledged. The data and tabulations utilized in this article were made available (in part) by the Institute for Social Research Social Science Archive. The data were originally collected by Dr. Jerald G. Bachman, Survey Research Center, Institute for Social Research, The University of Michigan. Neither the original collector of the data nor the archive bears any responsibility for the analyses or interpretations presented here.This article is a revised version of a paper presented at the annual meeting of the Eastern Sociological Society, Philadelphia, April 2, 1978.Received her Ph.D. from the University of Maryland and is interested particularly in the social influence on the self-concept.Received his Ph.D. from Columbia University and is interested in the structure and development of the self-concept.Received her Ph.D. from Stanford University. Current research interests are related to a longitudinal study of personality development. 相似文献
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Reaching for the Philosopher's Stone: Contingent Coordination and the Military's Response to Hurricane Katrina 总被引:1,自引:0,他引:1
When Hurricane Katrina made landfall on the Mississippi Gulf Coast in August 2005, it immediately overwhelmed the abilities of local and state emergency management officials to respond to the ensuing disaster. Although the U.S. Coast Guard and some military units were on scene shortly after the passage of the storm, there seemed to be interminable delays before the military forces began to arrive in numbers to both provide humanitarian relief and secure the affected areas. This article analyzes the response of the National Guard, active-duty military, and Coast Guard forces through the lens of coordination. We find evidence of the successful use of both traditional hierarchical and network-based coordination; we also find support for Donald Kettl's idea of "contingent coordination." 相似文献