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18 result(s) for "COOLE, DAVID"
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Expansion and validation of the Political Skill Inventory (PSI): An examination of the link between charisma, political skill, and performance
The present research was developed to reexamine the factor structure of the Political Skill Inventory (PSI), expand upon the political skill behavioral taxonomy to include charisma, and provide validity evidence for both the PSI and our new measure of charisma. In study one, using a large undergraduate student sample, confirmatory factor analysis provided evidence for a three factor structure of political skill. Charisma and networking ability were identified as unique factors of the political skill construct domain while PSI dimensions of social astuteness, interpersonal influence, and apparent sincerity collapsed to form a single dimension. Study One results also indicated a strong positive relationship between self-reports of political skill, charisma, and OCB. In Study Two, using a sample of public-sector triads consisting of professional level employees, their coworkers and their supervisors, mixed support was found for the convergent and divergent validity of the four PSI dimensions and charisma across reporting sources. As hypothesized, political skill predicted supervisor reports of overall job performance, task performance, and OCB. Charisma contributed to the prediction of supervisor ratings of overall performance and task performance after controlling for PSI total scores. At the dimensional level, social astuteness and charisma demonstrated the strongest predictive validity across all study criteria. Social astuteness and charisma also demonstrated a significant interaction when predicting supervisor ratings of overall performance and task performance. This interaction indicated that social astuteness plays more of a role in predicting job performance for employees low in charisma than for employees high in charisma. As an addition to the second study, the ability of the PSI and charisma to predict performance ratings was compared against an abridged version of a situational judgment test assessing practical intelligence, the Tacit Knowledge Inventory for Managers (TKIM; Wagner and Sternberg, 1991). After controlling for PSI total scores and charisma, the TKIM provided a modest contribution to the prediction of supervisor ratings of overall performance. Implications of these findings and directions for future research are provided.
Multimodal optical imaging with real-time projection of cancer risk and biopsy guidance maps for early oral cancer diagnosis and treatment
Despite recent advances in multimodal optical imaging, oral imaging systems often do not provide real-time actionable guidance to the clinician who is making biopsy and treatment decisions. We demonstrate a low-cost, portable active biopsy guidance system (ABGS) that uses multimodal optical imaging with deep learning to directly project cancer risk and biopsy guidance maps onto oral mucosa in real time. Cancer risk maps are generated based on widefield autofluorescence images and projected onto the at-risk tissue using a digital light projector. Microendoscopy images are obtained from at-risk areas, and multimodal image data are used to calculate a biopsy guidance map, which is projected onto tissue. Representative patient examples highlight clinically actionable visualizations provided in real time during an imaging procedure. Results show multimodal imaging with cancer risk and biopsy guidance map projection offers a versatile, quantitative, and precise tool to guide biopsy site selection and improve early detection of oral cancers. The ABGS provides direct visible guidance to identify early lesions and locate appropriate sites to biopsy within those lesions. This represents an opportunity to translate multimodal imaging into real-time clinically actionable visualizations to help improve patient outcomes.
Deployment and assessment of a deep learning model for real-time detection of anal precancer with high frame rate high-resolution microendoscopy
Anal cancer incidence is significantly higher in people living with HIV as HIV increases the oncogenic potential of human papillomavirus. The incidence of anal cancer in the United States has recently increased, with diagnosis and treatment hampered by high loss-to-follow-up rates. Novel methods for the automated, real-time diagnosis of AIN 2+ could enable \"see and treat\" strategies, reducing loss-to-follow-up rates. A previous retrospective study demonstrated that the accuracy of a high-resolution microendoscope (HRME) coupled with a deep learning model was comparable to expert clinical impression for diagnosis of AIN 2+ (sensitivity 0.92 [P = 0.68] and specificity 0.60 [P = 0.48]). However, motion artifacts and noise led to many images failing quality control (17%). Here, we present a high frame rate HRME (HF-HRME) with improved image quality, deployed in the clinic alongside a deep learning model and evaluated prospectively for detection of AIN 2+ in real-time. The HF-HRME reduced the fraction of images failing quality control to 4.6% by employing a high frame rate camera that enhances contrast and limits motion artifacts. The HF-HRME outperformed the previous HRME (P < 0.001) and clinical impression (P < 0.0001) in the detection of histopathologically confirmed AIN 2+ with a sensitivity of 0.91 and specificity of 0.87.
Toward biodefence: a framework for the mitigation of malicious threats to livestock production enterprises in Australia
Biosecurity underpins the Australian agricultural sector, estimated to be worth $51 billion in exports and trade, $50 billion in tourism, $5.7 trillion in environmental assets, and more than 1.6 million jobs. Given the value to the Australian economy and the potential consequences of a deliberately introduced biological agent, measures to prevent malicious biosecurity threats are critical for national security. Using the framework of Situational Crime Prevention (SCP), the study examined recommended biosecurity practices for cattle production enterprises in Australia and explored the extent to which the Australian biosecurity framework is underpinned by preventative security. The study found the existing biosecurity framework has limited theoretical security underpinning and is constituted by practices primarily aimed at preventing naturally occurring and accidental threats, rather than an active preventative security approach at the farming level to mitigate threats of a malicious or deliberate nature. These findings identify a deficit in Australia’s national security approach to biosecurity in cattle production enterprises, establishing a need for biosecurity recommendations at an industry and primary production level to embed security theory and principles to account for malicious actors in alignment with international biodefence strategy. Subsequently, the study demonstrated how security theory can be applied to biosecurity and the agricultural sector more broadly and developed an SCP framework toward biodefence of agriculture, converging biosecurity and security as a bilateral approach to mitigating naturally occurring, accidental, and deliberate biosecurity threats.
Decision-making in balancing fire safety hazards against security threats within the built environment
The built environment faces challenges from fire hazards and threats by malicious actors. Risks presented from these hazards and threats are managed through the practices of fire safety and physical security. Whilst distinct disciplines, both impact the built environment systems, resulting in potential conflict. To manage this conflict, a complex process is required. Through the framework of Governmentality, using a mixed methods approach, the study explored the process which fire safety engineers and security practitioners undertake to manage this conflict. The study produced a conceptual model that explains how practitioners operate and manage risk associated with fire safety hazards and security threats. The model indicates that the process for resolving conflicts is a dichotomy between physical security and fire safety, with fire safety being the most dominate and influential. Nevertheless, both fire safety and physical security are subservient to building regulations in this process; however unlike security, fire safety is codified through building regulations. Risk assessment and the design process are core processes, but only used in decision-making when there is conflict between the fire safety and physical security. Findings demonstrated that context remains static for greater threats, whereas context is dynamic for fire safety.
Development of an occupational advice intervention for patients undergoing lower limb arthroplasty (the OPAL study)
Background There are an increasing number of patients of working age undergoing hip and knee replacements. Currently there is variation in the advice and support given about sickness absence, recovery to usual activities and return to work after these procedures. Earlier, sustainable, return to work improves the health of patients and benefits their employers and society. An intervention that encourages and supports early recovery to usual activities, including work, has the potential to reduce the health and socioeconomic burden of hip and knee replacements. Methods/design A two-phase research programme delivered over 27 months will be used to develop and subsequently test the feasibility of an occupational advice intervention to facilitate return to work and usual activities in patients undergoing lower limb arthroplasty. The 2 phases will incorporate a six-stage intervention mapping process: Phase 1: Intervention mapping stages 1–3: Needs assessment (including rapid evidence synthesis, prospective cohort analysis and structured stakeholder interviews) Identification of intended outcomes and performance objectives Selection of theory-based methods and practical strategies Phase 2: Intervention mapping stages 4–6: Development of components and materials for the occupational advice intervention using a modified Delphi process Adoption and implementation of the intervention Evaluation and feasibility testing The study will be undertaken in four National Health Service (NHS) hospitals in the United Kingdom and two Higher Education Institutions. Discussion OPAL (Occupational advice for Patients undergoing Arthroplasty of the Lower limb) aims to develop an occupational advice intervention to support early recovery to usual activities including work, which is tailored to the requirements of patients undergoing hip and knee replacements. The developed intervention will then be assessed with a specific focus on evaluating its feasibility as a potential trial intervention to improve speed of recovery to usual activities including work. Trial registration The study was registered retrospectively with the International Standard Randomised Controlled Trials Number (ISRCTN): 27426982 (Date 20/12/2016) and the International prospective register of systematic reviews (PROSPERO): CRD42016045235 (Date 04/08/2016).
The efficacy of aligning lessons learnt from significant bushfire incidents to the organisational stratum
Australia's bushfire seasons are expected to become longer and more severe due to the effects of climate change and an increasing population living in rural-urban fringes. Social and economic vulnerability to extreme natural hazards means that Australia's emergency services sector plays a significant role in community safety and wellbeing. Therefore, it is important that the sector continually improves. Australia has a long history of conducting external reviews into significant bushfires. While these reviews receive good support and seek to identify relevant lessons, barriers remain that prevent these lessons from being effectively learnt. It is possible that some of these barriers exist because the stratum of work impedes the capture, codifying and adjustments to systems. This research investigated the premise that lessons learnt in the Australian emergency services sector occurs on a stratum, with different types of lessons learnt at different levels of work. Four significant independent bushfire reviews were analysed to evaluate whether specific lessons could be aligned to the stratum of work. Findings were that not all lessons apply to all levels of organisations. This supports the premise that lessons are learnt on a vertical organisational stratum; for example, some lessons were operational, others were tactical and some were strategic. It was determined that a lack of understanding of the barriers within an organisations stratum could impede the effectiveness of lessons being learnt.
The efficacy of aligning lessons learnt from significant bushfire incidents to the organisational stratum
Australia's bushfire seasons are expected to become longer and more severe due to the effects of climate change and an increasing population living in rural-urban fringes. Social and economic vulnerability to extreme natural hazards means that Australia's emergency services sector plays a significant role in community safety and wellbeing. Therefore, it is important that the sector continually improves. Australia has a long history of conducting external reviews into significant bushfires. While these reviews receive good support and seek to identify relevant lessons, barriers remain that prevent these lessons from being effectively learnt. It is possible that some of these barriers exist because the stratum of work impedes the capture, codifying and adjustments to systems. This research investigated the premise that lessons learnt in the Australian emergency services sector occurs on a stratum, with different types of lessons learnt at different levels of work. Four significant independent bushfire reviews were analysed to evaluate whether specific lessons could be aligned to the stratum of work. Findings were that not all lessons apply to all levels of organisations. This supports the premise that lessons are learnt on a vertical organisational stratum; for example, some lessons were operational, others were tactical and some were strategic. It was determined that a lack of understanding of the barriers within an organisations stratum could impede the effectiveness of lessons being learnt.