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11.
Melissa Y. Delgado Kimberly A. Updegraff Mark W. Roosa Adriana J. Umaña-Taylor 《Journal of youth and adolescence》2011,40(2):125-139
Drawing on García Coll et al.’s integrative framework and the risk and resilience model, this study examined the relationships
between adolescents’ perceived discrimination and psychosocial adjustment and the moderating roles of adolescents’, mothers’,
and fathers’ cultural orientations and values, and adolescent gender in a sample of 246 Mexican-origin families. Using multilevel
modeling with data from mothers, fathers, seventh graders (M
age = 12.8 years; SD = .57 year) and older siblings (M
age = 15.7 years; SD = 1.5 years), findings revealed that perceived discrimination was positively related to depression, risky
behaviors, and deviant peer affiliations. In addition, parents’ cultural orientations and values and adolescent gender moderated
the relationships between perceived discrimination and some indicators of adjustment. These findings suggest that parents’
cultural orientations and values can serve as protective and vulnerability factors in the associations between Mexican-origin
adolescents’ perceived discrimination and their psychosocial adjustment. 相似文献
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Adriana J. Umaña-Taylor Kimberly A. Updegraff Melinda A. Gonzales-Backen 《Journal of youth and adolescence》2011,40(2):140-157
Mexican-origin adolescent mothers are at increased risk for poor psychosocial functioning as a result of various stressors
with which they must contend; however, existing theory suggests that cultural strengths may help mitigate the negative effects
of stress. As such, the current study examined the associations between cultural and economic stressors and Mexican-origin
adolescent mothers’ (N = 207; M age = 16.23 years, SD = 1.0) internalizing and externalizing behaviors, as well as the degree to which ethnic identity affirmation
and familism values moderated these links. Adolescent mothers who reported higher levels of discrimination, acculturative
stress, and economic stress also reported higher depressive symptoms and greater involvement in risky behaviors. Importantly,
ethnic identity affirmation minimized the negative associations between cultural stressors and adolescents’ involvement in
risky behaviors, with the associations being weakest among adolescents with high levels of ethnic identity. Familism appeared
to serve a protective function under conditions of low levels of discrimination, but not under conditions of high levels of
discrimination. Findings are discussed with special attention to the developmental and cultural contexts in which these adolescent
mothers’ lives are embedded, and implications for future research and practice are presented. 相似文献
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Edilene Santos de Andrade Adriana Vieira Gomes Glria Raposo Luiz Mauricio-da-Silva Rosilda dos Santos Silva 《Forensic Science International: Genetics Supplement Series》2009,3(4):e141-e143
Definition about mutation rates of short tandem repeats (STRs) loci used in forensic analysis are useful for the correct interpretation of resulting genetic profiles and the definition of criterions for exclusion in paternity testing. Germline mutation of 14 STR loci was studied for 54,105 parent–child allelic transfers from 2575 paternity testing cases carried out during 2000–2007 from the Pernambuco State, Northeast Brazil. The parenthood in each of these cases was highly validated (probability > 99.99%). We identified 43 mutations at 12 loci. Locus-specific mutation rate estimates varied between 2 × 10−4 and 2 × 10−3, and the overall mutation rate estimate was 8 × 10−4. Mutation events in the male germline were more frequent than in the female germline. The majority of the mutations could be explained by losses or gains of one repeat unit and there was no evidence for selection between insertion or deletion changes. Our data were compared with those of Portuguese and North-American populations for CSF1PO, D18S51, D21S11, D7S820, TH01, TPOX and demonstrated, despite the great difference in the size of the sample, that mutation rates of STR loci in a mixed population do not differ from that encountered in different populations. 相似文献
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Tenaglia M Scollo A Tripaldi R Grappiolo I Perichón AM 《Forensic science international》2004,141(2-3):185-187
Allele frequencies for nine short tandem repeats (STRs) loci (CSF1PO, TPOX, THO1, F13AO1, FES/FPS, vWA, D16S539, D7S820 and D13S317) and two variable number tandem repeats (VNTRs) were obtained from a sample of 270 unrelated individuals born in the Rosario city, Santa Fe province of Argentina. 相似文献
15.
Bydlowski SP de Moura-Neto RS Soares RP Silva R Debes-Bravo AA Morganti L 《Forensic science international》2003,135(1):67-71
Allelic frequencies for 12 short tandem repeats (STRs) (F13A01, F13B, FESFPS, LPL, CSF1PO, TPOX, TH01, vWA, D16S539, D7S820, D13S317 and D5S818) were estimated, also as forensic parameters, from a sample of 916 unrelated Brazilian subjects classified into four ethnic groups: European-derived, African-derived, Brazilian Mulattos and Asian-derived. 相似文献
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Adriana Alberti 《Crime, Law and Social Change》1995,24(4):273-292
This paper analyzes the problem of political corruption in Italy and the role public prosecutors have played in unraveling such a phenomenon. The factors that have contributed to fostering systemic corruption as well as those that have contributed to uncovering such a system are given careful consideration. The most relevant conclusion is that whereas endogenous forces in the judiciary (prosecutors and judges) — in particular, its low level of institutional autonomy — have prevented it from containing corruption, exogenous forces — which have broken the conditions that had favoured the stability of the so-called first Republic — have led prosecutors to engage in massive investigations.This article is a revised version of the paper prepared for delivery at the 1994 Workshop on Corruption and Politics held at the Instituto Internacional de Sociologia Juridica, Onati (Spain), July 13–14, 1994. I am appreciative to Prof. Giuseppe Di Federico (University of Bologna) for his deep insights of this complex matter and for his very useful comments. 相似文献
18.
This article seeks to reflect on the possibilities of cooperative R&D to constitute an opportunity for companies in developing countries to take part in the innovation concerning technological frontier. In order to show this thesis can be true, this article is based on the case study of Petrobrás, the Brazilian state-owned oil company, which has employed the resource of cooperative R&D to gain access to the new subsea boosting technology and to acquire a place in the vanguard of such technology. However, the catch-up occurs only when firms in developing countries actively take part in the innovation process and accomplish an efficient process of technological learning, which is reflected on the evolution of interactions with external partners. The experience of Petrobrás is analyzed emphasizing the technological learning process through the transformation in its agreements with external partners. We present three cases of subsea boosting technologies developed by Petrobrás together with a majority of foreign producers or institutes. The analysis of these experiences allows us to show that the learning process and the mastery of in-house processes were accompanied by a significant evolution in the agreements with external sources. Petrobrás passes on from the position of cosponsor to that of articulator of the innovation process in technological cooperation agreements. The article proposes an evolutionary sequence to analyze the company's learning process. The evolutionary trajectories are different in each case, but in all of them it was possible to prove the increasing commitment of Petrobrás to the innovation effort. 相似文献
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