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21.
Juvenile homicide is a social problem that has remained a central focus within juvenile justice research in recent years. The term juvenile murderer describes a legal category, but it is purported to have significant scientific meaning. Research has attempted to conceptualize adolescent murderers as a clinical category that can be reliably distinguished from their nonhomicidal counterparts. This study examined 33 adolescents adjudicated delinquent or awaiting trial for murder and 38 adolescents who committed violent, nonhomicidal offenses to determine whether the two groups differed significantly on family history, early development, delinquency history, mental health, and weapon possession variables. The nonhomicide group proved more problematic on many of these measures. Two key factors did distinguish the homicide group: These adolescents endorsed the greater availability of guns and substance abuse at the time of their commitment offenses. The significance of this finding is discussed, and the implications for risk management and policy are reviewed.  相似文献   
22.
Reviews     
Joseph L. Nogee and Robert H. Donaldson, Soviel Foreign Policy Since World War II. New York: Pergamon Press, 1981. viii + 320 pp. Flexicover, £5.45.

Robert H. Donaldson (ed.), The Soviet Union in the Third World: Successes and Failures. Boulder, Colorado: Westview Press / London: Croom Helm, 1981. xiv + 458 pp. Hardcover, $25.00.

Karen Dawisha and Philip Hanson (eds.), Soviet—East European Dilemmas: Coercion, Competition, and Consent. London: Heinemann for the Royal Institute of International Affairs, 1981. xiv + 226 pp. Paper, £5.95.

Jerry F. Hough, Soviet Leadership in Transition. Washington, D.C.: The Brookings Institution, 1980. viii + 175 pp. $11.95 and $4.95.

Sheila Fitzpatrick, Education and Social Mobility in the Soviet Union 1921–1934. Cambridge: Cambridge University Press, 1979. x + 355 pp. £15.50.

Jan Ake Dellenbrant, Soviet Regional Policy: A Quantitative Inquiry into the Social and Political Development of the Soviet Republics. Stockholm: Almqvist & Wiksell, 1980. 192 pp. Sw. kr. 105.—

Maria Hirszowicz, The Bureaucratic Leviathan: A Study in the Sociology of Communism. Oxford: Martin Robertson, 1980. x + 208 pp. £12.50.

Theodore H. Friedgut, Political Participation in the USSR. Princeton, New Jersey: Princeton University Press, 1979. xvi + 353 pp. £11.70.

Ronald J. Hill, Soviet Politics, Political Science and Reform. Oxford: Martin Robertson, 1980. x + 221 pp. Hardcover. £12.00.

Daniel N. Nelson, Democratic Centralism in Romania: A Study of Local Communist Politics. Boulder: East European Monographs, distributed by Columbia University Press, New York 1980. xii + 186 pp. $19.50.

Timothy Dunmore, The Stalinist Command Economy: The Soviet State Apparatus and Economic Policy 1945–53. London: Macmillan, 1980. xii + 176 pp. £20.00.

Paul Marrer and John Michael Montias (eds.), East European Integration and East‐West Trade. Bloomington: Indiana University Press, 1980. vi+432 pp. US, Canada $32.50, UK £19.50, Elsewhere $40.63.

Christoph Bertram (ed.), Prospects of Soviet Power in the 1980s. London: Macmillan in association with the International Institute for Strategic Studies, 1980. 126 pp. £15.00.

Jiri Valenta, Soviet Intervention in Czechoslovakia, 1968: Anatomy of a Decision. Baltimore and London: Johns Hopkins University Press, 1979. xii + 208 pp. £7.75.

R. Selucky, Marx, socialism and freedom. London: Macmillan, 1979. 237 pp. £12.00.

Mihaly Vajda, The State and Socialism. London: Allison and Busby, 1981. 150 pp. £9.95 and £4.50.

Elizabeth Pond, Russia Perceived. A Trans‐Siberian Journey. London: Victor Gollancz Ltd., 1981. 296 pp. £9.95.

Philip T. Grier, Marxist Ethical Theory in the Soviet Union. Dordrecht: D. Reidel, 1978. xvii + 276 pp. No price.

Edward M. Swiderski, The Philosophical Foundations of Soviet Aesthetics: Theories and Controversies in the Post‐War Years. Dordrecht: D. Reidel, 1979. xviii + 225 pp. DM.65, US $34.00.

Edward Braun, The Theatre of Meyerhold: Revolution on the Modern Stage. London: Eyre Methuen, 1979. 299 pp. £9.95.  相似文献   

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This article considers attempts by multinational corporations to provide services in areas of limited statehood. Under which conditions are such attempts effective? We make two arguments: First, they must be legitimate to be effective. Second, the institutional design of the firms’ service provision programs is an important factor for their effectiveness. We assess these arguments by analyzing multinationals in the South African car industry fighting HIV/AIDS, and international mining firms in South Africa and the Democratic Republic of Congo trying to improve public security. The analysis demonstrates that under conditions of legitimacy and high degrees of institutionalization firm programs effectively contribute to service provision in areas of limited statehood.  相似文献   
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In the 1980s and 1990s, economic crisis produced ideological convergence in many Latin American party systems. Much scholarship explores how this convergence frequently provoked system change that enabled renewed ideological differentiation, but little research examines instances where convergence persisted without destabilizing the system. Through comparative historical analysis of Dominican continuity amid regional change, this study identifies factors that sustain or challenge party systems. Then, through analysis of Americas Barometer surveys, it assesses the causal mechanisms through which these factors shape support for the traditional Dominican parties. The findings demonstrate that maintaining programmatic and clientelist linkages facilitates continuity. In addition, the article argues that the threats political outsiders pose to existing party systems are constrained when people excluded from the system are divided and demobilized. In the Dominican case, Haitian immigration divides the popular sector while Dominicans abroad sustain ties to the parties, with both migration flows facilitating party system continuity.  相似文献   
27.
Sex estimation is the first step for biological profile reconstruction of an unknown skeleton (archaeological or contemporary) and consequently for positive identification of skeletal remains recovered from forensic settings. Several tools have been developed using different osseous structures. With the intention to provide an objective method comparison, we reported the analysis of three different methods (visual, metric and geometric morphometrics) for sex assessment of the greater sciatic notch. One hundred and thirty pelvic bones (45.4% females and 54.6% males) from the National Autonomous University of Mexico Skeletal Collection pertaining to the contemporary Mexican population were analyzed. We used the ROC-analysis to test between desired false positive thresholds (1-specificity) and expected true positive rates (sensitivity) in order to predict the best approach to sex assessment. The comparison of the area under the ROC-curves shows significant differences among visual and metric methods. At the same time, the analysis suggested that higher morphological variation among the sexes is independent of the methodological approach. The results indicate that the metric (angle), with a high percent of indeterminate cases (34.6%), and visual, with 26.2% of the cases allocated as intermediate cases, were poorly accurate; we cannot recommend these techniques for sexing an unknown specimen. On the other hand, the geometric morphometrics approach improves sex estimation in 82.3% of correctly classified individuals with more than 95% of posterior probability. In addition to the method comparison, the major sexual variation of the greater sciatic notch was determined to be located on its posterior border.  相似文献   
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Deregulation has dramatically altered the face of Australian industry and associated services throughout the last decade or so. In the transport sector, in particular, changes have been significant and deregulation has led to pervasive changes in market structure, to the actual ownership of infrastructure and to a shift in strategic focus from a public utility to one of commercial viability and market orientation. Competitive pressures in the transport sector as a result of deregulation have meant that traditional public sector organisations such as railways and ports have been transformed. A major impact of these developments has been that transport operators, in an endeavour either to maintain or capture market share, have been forced to restructure and refocus and, in the face of growing competition, have been forced to reinvent themselves and move increasingly towards the provision of an integrated intermodal service. Rail operators are now no longer simple linehaul operators in container or bulk freight markets but have become market–focused third–party service providers of a range of integrated functions.  相似文献   
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