891 research outputs found

    Representing the riots: the (mis)use of statistics to sustain ideological explanation

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    This paper analyses the way that figures were used to support two kinds of accounts of the riots of August 2011 prevalent in media coverage and in pronouncements by government ministers. The first of these accounts suggested that the rioters were typically characterised by uncivilized predispositions. The second kind of account suggested that damage to property was typically irrational or indiscriminate. These accounts echo discredited ‘convergence’ and ‘submergence’ explanations in early crowd psychology. We show that the ‘convergence’ explanation – that the rioters were typically ‘career criminals’ or gang-members – was based on arrest figures, treating as unproblematic the circular way that such data was produced (with those already known to the police most likely to be identified and arrested). The ‘submergence account – the suggestion that violence was typically indiscriminate or irrational – was based in part on grouping together attacks on properties in different districts; those areas where 'anyone and anything' was attacked were affluent districts where the target was the rich district itself. Like their academic counterparts, the two types of accounts of the riots of August 2011 are profoundly ideological, for they serve to render the riots marginal and meaningless rather than indicative of wider problems in society

    Placing large group relations into pedestrian dynamics: psychological crowds in counterflow

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    Understanding influences on pedestrian movement is important to accurately simulate crowd behaviour, yet little research has explored the psychological factors that influence interactions between large groups in counterflow scenarios. Research from social psychology has demonstrated that social identities can influence the micro-level pedestrian movement of a psychological crowd, yet this has not been extended to explore behaviour when two large psychological groups are co-present. This study investigates how the presence of large groups with different social identities can affect pedestrian behaviour when walking in counterflow. Participants (N = 54) were divided into two groups and primed to have identities as either ‘team A’ or ‘team B’. The trajectories of all participants were tracked to compare the movement of team A when walking alone to when walking in counterflow with team B, based on their i) speed of movement and distance walked, and ii) proximity between participants. In comparison to walking alone, the presence of another group influenced team A to collectively self-organise to reduce their speed and distance walked in order to walk closely together with ingroup members. We discuss the importance of incorporating social identities into pedestrian group dynamics for empirically validated simulations of counterflow scenarios

    Impeded nursing care: nurses' lived experiences

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    This phenomenological study describes the lived experience of ten registered nurses who provided a standard of nursing care that they perceived to be impeded because of their negative reactions to their patient's condition. Purposeful sampling was used to recruit participants via an advertisement in a local nursing organisation's newsletter. In-depth interviews generated data about the nurses' personal and professional experiences. Data analysis incorporated the qualitative methods of Huserrlian (descriptive) phenomenology and Colaizzi's method of data analysis. Findings revealed that during some stage of the nurses' careers they had reacted negatively to a patient's condition. These negative reactions included frustration, annoyance, nurses fearing for their own safety, revulsion, sadness and feelings of guilt that impeded care had been provided. These reactions translated into behaviours that were associated with providing nursing care to the patient that the nurses themselves perceived to be of impeded quality. Behaviours included not being there or spending less time with the patient, not communicating well and having less rapport with the patient, not meeting the patient's psychological and social needs and not meeting the patient's spiritual needs. The nurses found their awareness that this had occurred disturbing and they devised strategies to cope personally and also to ensure that a better quality of care was provided in subsequent situations. Strategies included discussions with colleagues, arranging for colleagues to provide care for the patient, mental preparation, and using individual coping strategies.There was a pattern of contextual factors impeding the provision of good care. These factors included an existing poor rapport with the patient, a bad experience with a patient with similar characteristics, time pressures and a lack of autonomy, chronic work stress, low staffing levels, a lack of clinical experience, negative reactions to the patient's condition by other staff members, a lack of visits by the patient's significant others and disagreement with the patient's medical treatment

    The Fear of Taking off the Mask

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    Nucleophilic substitution and cyclisation reactions of some polyfluoro-heteroaromatic and polyfluoroaromatic compounds

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    This thesis describes the reactions of some highly fluorinated aromatic and heteroaromatic compounds, in particular derivatives of naphthalene, quinoline and isoquinoline. Chapter 1 provides a general introduction to the preparation, reactions and applications of fluorine containing organic materials. Chapter 2 describes the reactions of some quinoline- and isoquinoline- thiolates with dimethyl acetylenedicarboxylate in an attempt to form six membered heterocycles. Chapter 3 describes nucleophilic substitution reactions of heptafluoro- quinoline and -isoquinoline with sulphur and oxygen nucleophiles. The sulphur nucleophiles are found to attack the 6- site in the isoquinoline and the 4- site in the quinoline. The oxygen nucleophiles attack the 1- site in the isoquinoline and 2- and 4- sites in the quinoline. Chapter 4 describes competition experiments of heptafluoro-quinoline and -isoquinoline with nucleophiles. Relative rates of attack at the 1- position and 6- position in the isoquinoline are determined for a variety of nucleophiles. The relative rates of two nucleophiles are determined for 4- attack in the quinoline. The relative reactivities of the two heterocycles are determined for two different nucleophiles. Chapter 5 describes the pyrolysis of heptafluoro-2-naphtiiyl propynoate which yield two difluoro-butenone derivatives. These decarbonylate under further pyrolysis to yield a 1,1-difluorocyclopropene. All the products were identified by X-ray crystallography. Chapter 6 gives experimental details for Chapter 2 to Chapter 5

    Negative Painted Effigy Bottles: Investigating a Possible Workshop at the Tyler Mound Site (15FU3), Fulton County, Kentucky

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    The existence of workshops in the Mississippian Southeast has been speculated before by several prominent figures in the field. In this thesis, I examine negative painted wares from the Tyler Mound site (15FU3), located in Fulton County, Kentucky. I hypothesize that a workshop produced negative painted human effigy bottles by members of a religious sodality. I examine burial goods at Gray Farm in Williamson County, Tennessee (40WM11) to find a religious sodality producing negative painted bottles like the ones at the Tyler Mound site. In turn, a religious sodality operating at the Tyler Mound site can be argued. For my data, I collect negative painted vessels from the Tyler Mound site, hooded effigy bottles from southeast Missouri, and burial goods from Gray Farm. I examine vessels that may have been produced by a religious sodality operating at Gray Farm. I conclude that there is evidence of a workshop, which produced negative painted effigy bottles at the Tyler Mound site

    Data report: late Miocene to early Pliocene coccolithophore and foraminiferal preservation at Site U1338 from scanning electron microscopy

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    The late Miocene to early Pliocene carbonate-rich sediments recovered at Integrated Ocean Drilling Program (IODP) Site U1338 during the Expedition 320/321 Pacific Equatorial Age Transect (PEAT) program contain abundant calcareous nanno- and microfossils. Geochemical proxies from benthic and planktonic foraminiferal and coccolithophore calcite could be very useful at this location; however, good preservation of the calcite is crucial for the proxies to be robust. Here, we evaluate the preservation of specific benthic and planktonic foraminifer species and coccolithophores in fine fraction sediment at Site U1338 using backscattered electron (topography mode) scanning electron microscopy (BSE-TOPO SEM). Both investigated foraminiferal species, Cibicidoides mundulus and Globigerinoides sacculifer, have undergone some alteration. The C. mundulus show minor evidence for dissolution, and only some specimens show evidence of overgrowth. The Gs. sacculifer show definite signs of alteration and exhibit variable preservation, ranging from fair to poor; some specimens show minor overgrowth and internal recrystallization but retain original features such as pores, spine pits, and internal testwall growth structure, whereas in other specimens the recrystallization and overgrowth disguise many of the original features. Secondary electron and BSE-TOPO SEM images show that coccolith calcite preservation is moderate or moderate to poor. Slight to moderate etching has removed central heterococcolith features, and a small amount of secondary overgrowth is also visible. Energy dispersive spectroscopy analyses indicate that the main sedimentary components of the fine fraction sediment are biogenic CaCO3 and SiO2, with some marine barite. Based on the investigations in this data report, geochemical analyses on benthic foraminifers are unlikely to be affected by preservation, although geochemical analyses on the planktonic foraminifers should be treated cautiously because of the fair to poor and highly variable preservation

    Including political context in the psychological analysis of collective action: development and validation of a measurement scale for subjective political openness

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    Sociological and Political Science research has argued that political conditions affect both the occurrence of protests and the actions protesters choose. However, an approach that considers people’s perceptions on these conditions is still absent in the social psychological literature. Subjective Political Openness (SPO) is a new construct which fills this gap by incorporating features of political context into the psychological analysis of protests. We propose that SPO comprises perceptions relating to three dimensions: government actions to allow/restrict protests, police measures to actively prevent them, and the extent that public opinion legitimizes protests. We conducted two studies in the UK and Chile to validate scales created for each proposed dimension, test their measurement invariance, establish SPO’s configuration, and demonstrate its convergent validity. Participants in Study 1 were university students (n UK = 203; n Chile = 237), whereas in Study 2 a general population sample from both countries was included (n UK = 377; n Chile = 309) with the purpose of generalizing the results. Both studies consistently showed that SPO is a multidimensional construct configured as a bifactor model comprising the dimensions associated with perceptions of the government and police actions to confront protests. Although we tested two different measurement scales for the perceived legitimacy given by public opinion to protests, results demonstrated this dimension is not part of SPO. The SPO configuration has implications for both our understanding of collective action and how we study it
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