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71.
This paper describes a simplified approach to calculating the Bayesian likelihood ratio for the case where two DNA single locus profiles are to be compared. It explains how the calculation allows for band shift and also for the variation in precision with molecular weight. A simple basic theory section explains the principles of the analysis but more detailed explanations are given in an advanced theory section. Experiments on substantial data collections are described which demonstrate the robustness of the method. 相似文献
72.
A small experiment is described which uses databases of Afro-Caribbeans and Caucasians to establish the quality of information that might be given to an investigator about the ethnic group of the donor of an unknown crime stain. The results show that the technique can provide qualified indications, but categoric conclusions are not, in general, feasible. An appraisal is given of the technique within the operational context. 相似文献
73.
Marcia M. Croft Maria I. Marshall Martins Odendo Christine Ndinya Naman N. Ondego Pamela Obura 《发展研究杂志》2018,54(4):758-775
Indigenous vegetables play an important role in Kenyan food security, but production is limited by poor seed quality. Traditionally, seeds have been traded through informal networks, but a new formal seed sector is emerging. This study assessed the relative potential for formal or informal seed systems to meet the need for high-quality indigenous vegetable seed. By evaluating determinants of farmers’ seed purchasing behaviour, we conclude that informal seed systems have greater potential to meet this need and should be strengthened. This study suggests that policy-makers should use context-specific data to guide decisions on seed policy. 相似文献
74.
Correlates of Childhood vs. Adolescence Internalizing Symptomatology from Infancy to Young Adulthood
John D. Haltigan Glenn I. Roisman Elizabeth Cauffman Cathryn Booth-LaForce 《Journal of youth and adolescence》2017,46(1):197-212
In light of its associations with child and adolescent health and well-being, there remains a need to better understand the etiological underpinnings and developmental course of internalizing symptomatology in children and adolescents. This study leveraged intensive longitudinal data (N?=?959; 49.6?% females) to test the hypothesis that internalizing symptoms in childhood may be driven more strongly by family experiences whereas internalizing symptoms in adolescence may derive more uniquely from familial loading for affective disorders (i.e., maternal depression). We evaluated the relative contributions of (a) family experiences (b) maternal depression, and (c) peer influences in testing this hypothesis. The results indicated that family predictors were more strongly correlated with childhood (relative to adolescent) internalizing symptoms. In contrast to previous findings, maternal depression also exhibited stronger associations with childhood internalizing symptoms. Although often overlooked in theories concerning potential differential origins of childhood vs. adolescent internalizing symptomatology, peer experiences explained unique variation in both childhood and adolescent internalizing problems. 相似文献
75.
Lorenzo-Blanco EI Unger JB Baezconde-Garbanati L Ritt-Olson A Soto D 《Journal of youth and adolescence》2012,41(10):1350-1365
The risk for depression increases as Hispanic youth acculturate to U.S. society. This association is stronger for Hispanic girls than boys. To better understand the influence of culture and family on depressive symptoms, we tested a process-oriented model of acculturation, cultural values, and family functioning. The data came from Project RED, which included 1,922 Hispanic students (53?% girls; 86?% were 14?years old; and 84?% were U.S. born) from Southern California. We used data from 9th to 11th grade to test the influence of acculturation-related experiences on depressive symptoms over time. Multi-group structural equation analysis suggested that both family conflict and cohesion were linked with depressive symptoms. Hispanic cultural values were associated with family cohesion and conflict but the strength and direction of these relationships varied across cultural values and gender. For girls and boys, familismo and respeto were associated with higher family cohesion and lower family conflict. Moreover, gender roles were linked with higher family cohesion in girls but not in boys. These results indicate that improving family functioning will be beneficial for boys' and girls' psychological well-being. This may be achieved by promoting familismo and respeto for boys and girls and by promoting traditional gender roles for girls. 相似文献
76.
David Córdova Seth J. Schwartz Jennifer B. Unger Lourdes Baezconde-Garbanati Juan A. Villamar Daniel W. Soto Sabrina E. Des Rosiers Tae Kyoung Lee Alan Meca Miguel Ángel Cano Elma I. Lorenzo-Blanco Assaf Oshri Christopher P. Salas-Wright Brandy Piña-Watson Andrea J. Romero 《Journal of youth and adolescence》2016,45(10):2164-2177
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Political Behavior - Politicians have long engaged in marketing themselves by employing distinct speaking styles to signal social standing, competence, or a shared background with their audience.... 相似文献
80.
One must take country-specific institutional features into account when analyzing former communist countries’ transformation process to new political institutions. We do so for post-communist Albania, where the regional and cultural polarization that has existed for centuries has evolved to clientelism in the new democracy. We show how clientelistic parties give rise to very particular voting patterns. These reveal major differences across regions not only in party choice but also in voters’ responses to government policies. These responses depend on the party in government and on the region concerned. This is in sharp contrast with results obtained when applying the same model to a large number of more advanced democracies with similar electoral institutions. A proper evaluation of democratization in Albania thus requires looking beyond the formal institutions governing elections and taking clientelism and its effect on voter behavior into account. 相似文献