On humanitarian bombing

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[Review] Marcus Roberts (1996) The impasse of analytical Marxism

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The early Marx on needs

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Recognition and property in Hegel and the early Marx

The article attempts to show, first, that for Hegel the role of property is to enable persons both to objectify their freedom and to properly express their recognition of each other as free, and second, that the Marx of 1844 uses fundamentally similar ideas in his exposition of communist society. For him the role of ‘true property’ is to enable individuals both to objectify their essential human powers and their individuality, and to express their recognition of each other as fellow human beings with needs, or their ‘human recognition’. Marx further uses these ideas to condemn the society of private property and market exchange as characterised by ‘estranged’ forms of property and recognition. He therefore uses a structure of ideas which Hegel had used to justify the institutions of private property and market exchange in order to condemn those same institutions. It is concluded that Marx’s adoption from Hegel of the idea that property as the means of self-objectification and of expressed recognition, leaves his vision of communism open to the charge that in it, just as in market society, the relations between human beings are mediated by things

“No matter what is thrown at you, you still – inside your core – want to teach”: The role of calling in retention of secondary school teachers in England

Retention of teachers in England is poor, yet many stay in the profession. Exploring why teachers remain, as well as why they leave, can improve understanding of retention. The aim of this study therefore is to investigate qualitative accounts of secondary-school teachers about factors contributing to decisions to stay or leave teaching. Eleven semi-structured interviews were conducted with early career teachers, established teachers, and teachers who had left or were leaving teaching. Data was analysed thematically. Findings showed that teachers wanted more autonomy in their work to focus on student needs, develop their subject passion, and nurture collegial relationships. However, accountability, bureaucracy, inadequate resourcing, and top-down directives stifled their ability to craft their work and nurture their calling to teach. To improve retention, teachers should be provided with more opportunities to develop their calling as a work orientation. This requires organisational and culture change at the school and political level

Software for Spatial Statistics

We give an overview of the papers published in this special issue on spatial statistics, of the Journal of Statistical Software. 21 papers address issues covering visualization (micromaps, links to Google Maps or Google Earth), point pattern analysis, geostatistics, analysis of areal aggregated or lattice data, spatio-temporal statistics, Bayesian spatial statistics, and Laplace approximations. We also point to earlier publications in this journal on the same topic

Diagnostic accuracy of post-mortem MRI for thoracic abnormalities in fetuses and children

OBJECTIVES: To compare the diagnostic accuracy of post-mortem magnetic resonance imaging (PMMR) specifically for non-cardiac thoracic pathology in fetuses and children, compared with conventional autopsy. METHODS: Institutional ethics approval and parental consent was obtained. A total of 400 unselected fetuses and children underwent PMMR before conventional autopsy, reported blinded to the other dataset. RESULTS: Of 400 non-cardiac thoracic abnormalities, 113 (28 %) were found at autopsy. Overall sensitivity and specificity (95 % confidence interval) of PMMR for any thoracic pathology was poor at 39.6 % (31.0, 48.9) and 85.5 % (80.7, 89.2) respectively, with positive predictive value (PPV) 53.7 % (42.9, 64.0) and negative predictive value (NPV) 77.0 % (71.8, 81.4). Overall agreement was 71.8 % (67.1, 76.2). PMMR was most sensitive at detecting anatomical abnormalities, including pleural effusions and lung or thoracic hypoplasia, but particularly poor at detecting infection. CONCLUSIONS: PMMR currently has relatively poor diagnostic detection rates for the commonest intra-thoracic pathologies identified at autopsy in fetuses and children, including respiratory tract infection and diffuse alveolar haemorrhage. The reasonable NPV suggests that normal thoracic appearances at PMMR exclude the majority of important thoracic lesions at autopsy, and so could be useful in the context of minimally invasive autopsy for detecting non-cardiac thoracic abnormalities. KEY POINTS: • PMMR has relatively poor diagnostic detection rates for common intrathoracic pathology • The moderate NPV suggests that normal PMMR appearances exclude most important abnormalities • Lung sampling at autopsy remains the "gold standard" for pulmonary pathology

A sociologist teaches history: some epistemological and pedagogical reflections

This article discusses the concept of ‘historical sociology’ in relation to the teaching of a module on an undergraduate degree in Education Studies at a university in the United Kingdom. The module examines the history of education policy in England from 1870 until the present day. Drawing upon comparisons with Social Foundations of Education programs in the United States, I examine some key epistemological and pedagogical issues raised by the inter-disciplinary approach to teaching and learning followed within the module in which we combine historical and sociological perspectives as a means to understand the evolution of the English education system. In particular, using Bernstein’s concept of the pedagogic device as an analytical framework, I consider the epistemological congruence of sociology and history as the contributory disciplines of the undergraduate module. From a discussion of the concept of historical sociology, I conclude that although sociology and history are distinct subjects, they share a large amount of analytical ground which thus facilitates the inter-disciplinary approach pursued within the module. Following that, I examine some pedagogical issues that have arisen in my experience of teaching upon the module and I discuss how I have addressed these. I conclude the article by making comparisons to relevant examples from pedagogical practices in Social Foundations of Education programs in the United States

Implementing Prenatal Diagnosis Based on Cell-Free Fetal DNA: Accurate Identification of Factors Affecting Fetal DNA Yield

Objective: Cell-free fetal DNA is a source of fetal genetic material that can be used for non-invasive prenatal diagnosis. Usually constituting less than 10% of the total cell free DNA in maternal plasma, the majority is maternal in origin. Optimizing conditions for maximizing yield of cell-free fetal DNA will be crucial for effective implementation of testing. We explore factors influencing yield of fetal DNA from maternal blood samples, including assessment of collection tubes containing cell-stabilizing agents, storage temperature, interval to sample processing and DNA extraction method used.Methods: Microfluidic digital PCR was performed to precisely quantify male (fetal) DNA, total DNA and long DNA fragments (indicative of maternal cellular DNA). Real-time qPCR was used to assay for the presence of male SRY signal in samples.Results: Total cell-free DNA quantity increased significantly with time in samples stored in K(3)EDTA tubes, but only minimally in cell stabilizing tubes. This increase was solely due to the presence of additional long fragment DNA, with no change in quantity of fetal or short DNA, resulting in a significant decrease in proportion of cell-free fetal DNA over time. Storage at 4 degrees C did not prevent these changes.Conclusion: When samples can be processed within eight hours of blood draw, K(3)EDTA tubes can be used. Prolonged transfer times in K(3)EDTA tubes should be avoided as the proportion of fetal DNA present decreases significantly; in these situations the use of cell stabilising tubes is preferable. The DNA extraction kit used may influence success rate of diagnostic tests