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411.
Summary Some relevant traits of a wild (L) and a laboratory (C) strain ofHylemya antiqua (Meigen), determining differences in their pupation ability under experimental conditions have been investigated in relation to genetic
control. The wild strain showed an intrinsic higher pupation ability than the laboratory strain. The minimum feeding period
was 0.6 days longer for the C strain. The minimum larval dry weight was different for the two strains. With a normal feeding
period C larvae pupated on average 1.63 days later than L larvae. By the shortening of the larval feeding period an acceleration
of the larval development of both strains was observed: the acceleration of development was more marked for the wild strain.
This result has been contrasted with published works onDrosphila. The consequences of these differences as far as the competitive ability of each strain is concerned, have been discussed
in relation to genetic control. 相似文献
412.
Laura Robinson 《Qualitative sociology》2008,31(3):271-285
Drawing on comparative case studies, the research elucidates competing constructions of justice, responsibility, and victimhood
articulated in response to September 11, 2001 on three digital discourse fora in Brazil, France, and the United States. The
research extracts the moral metaphors through which Brazilian, French, and American participants judge the terrorist acts.
It contrasts the underlying moral accounting schemes employed to legitimize or delegitimize the use of terrorism on 9/11.
Two contrasting standpoints on political violence and associated moral underpinnings are elucidated: the morality of retribution
and the morality of absolute goodness (Lakoff 2002). One ideological faction uses the morality of retribution to hold the US accountable for inciting the terrorists to act.
For these individuals, political violence can be seen as a form of action that upholds a binary framing of moral order in
which all moral debts must be paid. By contrast, opposing camps employ the morality of absolute goodness to condemn the terrorists
by arguing that terrorist violence is inherently unjustifiable, as it necessarily results in human suffering.
相似文献
Laura RobinsonEmail: |
413.
Patricia Robinson 《Social science research》1986,15(4)
This paper addresses specification issues concerning the estimation of women's occupational attainment. Attainment models generally assume independence of error terms across equations, and whether this assumption is made or whether correlation of error terms is assumed is found to have important substantive implications, particularly with respect to education. While education affects first-job status, when first-job status is controlled, education has no significant effect on current attainment. A woman's first-job status appears, then, to be of major importance, and if she enters a job for which she is overqualified, education may not be relied upon to improve her occuppational status in the future. As in the analysis of earnings, it is important not only to include years of experience, as is usual in attainment models, but to include whether a recent work interruption has occurred. This is a significant and important variable in both the correlated and uncorrelated errors models, but the uncorrelated errors model appears to understate the magnitude of effect. 相似文献
414.
David Pfeiffer Anna Ah Sam Martha Guinan Katherine T. Ratliffe Nancy B. Robinson Norma Jean Stodden 《The Social Science Journal》2004,41(4):683-687
This note looks at ethnic and religious perspectives of people who are training for and/or working in the helping professions in regard to their views of disability. The Modified Issues in Disabilities Scale (MIDS) was administered to a sample of people training for and/or working in the helping professions. A statistically significant association was found between ethnic and religious perspectives and scores on the MIDS. 相似文献
415.
416.
Robinson C 《Journal of lesbian studies》2006,10(1-2):181-199
The article briefly highlights past ideologies of Essentialism and Constructionist thought, identifying their weaknesses as arguments of exclusion. By combining corporeality and mentality, the article posits an identity model, the spherical characterization model that argues for transgender inclusion in lesbian space by deconstructing the ideology behind identity group construction. Next the article applies the spherical characterization model to the characters in Virginia Woolf's 'Orlando' and Jeffrey Eugenides' 'Middlesex' to delineate how the model argues for transgender inclusion within lesbian space. 相似文献
417.
A valid Edgeworth expansion is established for the limit distribution of density‐weighted semiparametric averaged derivative estimates of single index models. The leading term that corrects the normal limit varies in magnitude, depending on the choice of bandwidth and kernel order. In general this term has order larger than the n−1/2 that prevails in standard parametric problems, but we find circumstances in which it is O(n−1/2), thereby extending the achievement of an n−1/2 Berry‐Esseen bound in Robinson (1995a). A valid empirical Edgeworth expansion is also established. We also provide theoretical and empirical Edgeworth expansions for a studentized statistic, where some correction terms are different from those for the unstudentized case. We report a Monte Carlo study of finite sample performance. 相似文献
418.
Logistics managers frequently utilize decision support systems (DSS) to make facility network design decisions. Many DSS do not provide optimization capabilities, but instead rely on scenario evaluation as a means for developing solutions. We experimentally assessed the performances of decision makers, including experienced managers, who used four variants of a scenario evaluation-based DSS to solve realistically sized network design problems of varying complexities. Complexity factors included DSS attributes, problem size, network types, and demand dispersion patterns. Decision makers' performances were assessed relative to optimal solutions. Overall, the decision makers generated relatively high-quality solutions using the DSS variants. The type of design problem solved did not significantly impact problem-solving performance. However, performance degraded and variability in solution quality escalated as problem size was increased. The availability of incremental solution cost improvement cues in the DSS significantly improved solution quality and reduced performance variability. Iconic graphic enhancements to the DSS did not consistently affect performance. However, significant interactions existed among the effects of DSS graphics capabilities, DSS information cues, and problem attributes. 相似文献
419.
Amara Channell Doig MPH Michelle Jasczynski PhD EdM Danielle R. Phillips MSW Jennifer L. Robinson MPH Faduma Aden B.S. Maisha Huq MSPH Kaitlyn Lee MPH Gary Jones PhD Chloe Bernardi MSW LCSW-C Elizabeth M. Aparicio PhD MSW LCSW-C 《Child & Family Social Work》2023,28(3):846-857
Substance use during the perinatal period and while parenting can pose a significant risk to children's safety and well-being. Mothers who have experienced child maltreatment are more likely to use substances than mothers without a history of maltreatment. This study explores how child welfare social workers experience supporting young, maltreated mothers struggling with substance use to prevent the intergenerational transmission of child maltreatment. Semi-structured in-depth interviews were conducted with four social workers working with young mothers with a history of maltreatment and substance use. Interpretative Phenomenological Analysis revealed two themes: (1) grappling with system challenges and (2) supporting strategies for disrupting intergenerational transmission of child maltreatment. The results highlight the need for systemic changes around support for social workers who work with young mothers who use substances and have a history of maltreatment, and substance use treatment and mental health programs themselves. Mothers need access to prenatal programs that are trauma-informed, non-judgemental and that support participants' basic needs and parenting skills. 相似文献