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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
121

Hidden, visceral and traumatic: a dramaturgical approach to men talking about their penis after surgery for penile cancer

Branney, Peter, Witty, K. 05 November 2019 (has links)
Yes / Drawing upon concepts of expressive equipment and body image, the aim of this study is to explore how men diagnosed and treated for penile cancer construct their penis and its surgical disfigurement (penectomy). Using maximum variation sampling with the intention to acquire the broadest range of experiences of stage of disease and treatment, 27 cisgender men (aged 48-83, x=63) who had surgical treatment consented for their data to be archived for analysis. From a dramaturgical perspective, the constructionist thematic analysis explored direct and indirect talk about the penis after surgery. The analysis showed that through graphic and sequential narratives of dismemberment revealed, participants constructed a post-surgery period in which they both wanted and did-not-want to see their penis. Additionally, participants constructed themselves managing difficult emotions through others and seeing themselves being rejected by a potentially desiring (female) Other. The findings extend research on male genitals by showing how the post-surgery penis can function as something hidden but visceral and traumatic when revealed. Importantly, this paper illustrates body image as expressive equipment where body and identity are formed in the image of manhood, which is an intersubjective (sexual) object between self and other. / This paper presents independent research commissioned by the National Institute for Health Research (NIHR) under its Research for Patient Benefit (RfPB) Programme (Grant Reference Number PB-PG-0808-17158). / Research Development Fund Publication Prize Award winner, October 2019.
122

Ambitious and driven to scale the barriers to top management: experiences of women leaders in the Nigerian technology sector

Branney, Peter, Odoh, A. 22 June 2022 (has links)
Yes / The four theories—gendering of careers, glass ceiling, gender stereotypes and work-life balance—of the lack of inclusion of women in the technology sector have a certain face validity when looking at Nigeria, a historically patriarchal nation undergoing significant growth in penetration and diffusion in the technology sector. Consequently, this article is the first to further develop these theories through a critical realist exploration of the experiences of female senior managers in the Nigerian technology sector. The findings show that women technology leaders are ambitious and driven to scale the barriers to senior management roles. These four theories are extended by providing empirical data and insights into how this phenomenon is experienced differently in the Global South. The article recommends that organizations implement policies that support skilled and high-potential women employees to fulfill their career aspirations, thereby disrupting stereotypes and changing the dominant, masculine narrative of the technology industry. / The full-text of this article will be released for public view at the end of the publisher embargo on 19th Dec 2023. / Research Development Fund Publication Prize Award winner, June 2022.
123

Cosmopolitan Entrepreneurs: Culture, Mobility and Survival among Baltic German Family Businesses in the Twentieth Century

Housden, Martyn 03 September 2019 (has links)
Yes / Research Development Fund Publication Prize Award winner, July 2019.
124

Using a smartphone on the move: do visual constraints explain why we slow walking speed?

Rubio Barañano, Alejandro, Faisal, Muhammad, Barrett, Brendan T., Buckley, John 15 November 2021 (has links)
Yes / Viewing one’s smartphone whilst walking commonly leads to a slowing of walking. Slowing walking-speed may occur because of safety concerns or because of visual constraints. We determine how walking-induced phone motion affects the ability to read on-screen information. Phone-reading performance (PRP) was assessed whilst participants walked on a treadmill at various speeds. The fastest speed was repeated, wearing an elbow-brace (Braced) or with the phone mounted stationary (Fixed). An audible cue (‘text-alert’), indicated participants had 2 seconds to lift/view the phone and read aloud a series of digits. PRP was the number of digits read correctly. Each condition was repeated 5 times. 3D-motion analyses determined phone-motion relative to the head, from which the variability in acceleration in viewing distance, and in the gaze angles in the up-down and right-left directions were assessed. A main-effect of condition indicated PRP decreased with walking speed; particularly so for the Braced and Fixed conditions (p=0.022). Walking condition also affected the phone’s relative motion (p / Research Development Fund Publication Prize Award winner, Oct 2021.
125

Robotic employees vs. human employees: Customers’ perceived authenticity at casual dining restaurants

Song, Hanqun, Wang, Y-C., Yang, H., Ma, E. 26 August 2022 (has links)
Yes / Cost-saving and sanitation considerations and the challenge of labor shortages have catalyzed the application of service robots in restaurants. Although service robots can perform multiple roles and functions, more research attention is needed in hospitality contexts on how different combinations of using robots and humans at different product/service layers may influence customers’ experiences and behavioral intentions. Building on the literature of product level theory and authenticity, this study empirically investigated this issue with data collected from 364 customers in China. The results show that the use of robots in core and facilitating product levels is less effective in improving consumers’ perceived service and brand authenticity. Consumers’ perceived service authenticity positively influences their brand authenticity and repurchase intention. Consumers’ perceived brand authenticity only positively affects their repurchase intention. Both theoretical and managerial implications are discussed in this paper. / Research Development Fund Publication Prize Award winner, July 2022
126

Predicting visual acuity from visual field sensitivity in age-related macular degeneration

Denniss, Jonathan, Baggaley, H.C., Astle, A.T. January 2018 (has links)
Yes / Purpose: To investigate how well visual field sensitivity predicts visual acuity at the same locations in macular disease, and to assess whether such predictions may be useful for selecting an optimum area for fixation training. Methods: Visual field sensitivity and acuity were measured at nine locations in the central 10° in 20 people with AMD and stable foveal fixation. A linear mixed model was constructed to predict acuity from sensitivity, taking into account within-subject effects and eccentricity. Cross validation was used to test the ability to predict acuity from sensitivity in a new patient. Simulations tested whether sensitivity can predict nonfoveal regions with greatest acuity in individual patients. Results: Visual field sensitivity (P < 0.0001), eccentricity (P = 0.007), and random effects of subject on eccentricity (P = 0.043) improved the model. For known subjects, 95% of acuity prediction errors (predicted − measured acuity) fell within −0.21 logMAR to +0.18 logMAR (median +0.00 logMAR). For unknown subjects, cross validation gave 95% of acuity prediction errors within −0.35 logMAR to +0.31 logMAR (median −0.01 logMAR). In simulations, the nonfoveal location with greatest predicted acuity had greatest “true” acuity on median 26% of occasions, and median difference in acuity between the location with greatest predicted acuity and the best possible location was +0.14 logMAR (range +0.04 to +0.17). Conclusions: The relationship between sensitivity and acuity in macular disease is not strongly predictive. The location with greatest sensitivity on microperimetry is unlikely to represent the location with the best visual acuity, even if eccentricity is taken into account. / College of Optometrists Postdoctoral Research Award (JD and ATA; London, UK) and National Institute for Health Research (NIHR) Postdoctoral Fellowship (ATA; London, UK). Presents independent research funded by the NIHR. / Research Development Fund Publication Prize Award winner, August 2018.
127

The effect of territorial stigmatisation processes on ontological security: A case-study of Bradford politics

Sullivan, Paul W., Akhtar, Parveen 29 October 2018 (has links)
Yes / We investigate the effect of territorial stigmatisation on ontological security through a qualitative case-study of Bradford politics during the 2015 General Election. Territorial stigmatisation and ontological security are important constructs in political geography but there is relatively little research on how territorial stigmatisation effects ontological security in everyday lived experience – in this case, the lived experience of political contests. We conducted thirty in-depth interviews, generated three themes and present and analyse these three themes in the form of three ‘created dialogues’ as outlined by Sullivan (2012), with a smaller sample of ten out of thirty of our participants. Drawing on Bakhtin’s (1981) concept of ‘chronotope’ we identity three key effects of territorial stigmatisation on ontological security: i) A negative reputation of ‘parallel societies’ has the potential to create double meanings for the inhabitants of that society; ii) Local reputation enhances ontological security through linking particular places to particular personalities but potentially decreases ontological security for a district as a whole; iii) Everyday lived experiences sometimes acquire charged emotional symbolic significance, which could encourage the reflexive side of ontological security. Our findings went through a positive member-checking process with five of the participants. / Research Development Fund Publication Prize Award winner, October 2018.
128

Eicosapentaenoic acid and aspirin, alone and in combination, for the prevention of colorectal adenomas (seAFOod Polyp Prevention trial): a multicentre, randomised, double-blind, placebo-controlled, 2 × 2 factorial trial

Hull, M.A., Sprange, K., Hepburn, T., Tan, W., Shafayat, A., Rees, C.J., Clifford, G., Logan, R.F., Loadman, Paul, Williams, E.A., Whitham, D., Montgomery, A.A. 19 November 2018 (has links)
Yes / Background: The omega-3 polyunsaturated fatty acid eicosapentaenoic acid (EPA) and aspirin both have proof of concept for colorectal cancer chemoprevention, aligned with an excellent safety profile. Therefore, we aimed to test the efficacy of EPA and aspirin, alone and in combination and compared with a placebo, in individuals with sporadic colorectal neoplasia detected at colonoscopy. Methods: In a multicentre, randomised, double-blind, placebo-controlled, 2 × 2 factorial trial, patients aged 55–73 years who were identified during colonoscopy as being at high risk in the English Bowel Cancer Screening Programme (BCSP; ≥3 adenomas if at least one was ≥10 mm in diameter or ≥5 adenomas if these were <10 mm in diameter) were recruited from 53 BCSP endoscopy units in England, UK. Patients were randomly allocated (1:1:1:1) using a secure web-based server to receive 2 g EPA-free fatty acid (FFA) per day (either as the FFA or triglyceride), 300 mg aspirin per day, both treatments in combination, or placebo for 12 months using random permuted blocks of randomly varying size, and stratified by BCSP site. Research staff and participants were masked to group assignment. The primary endpoint was the adenoma detection rate (ADR; the proportion of participants with any adenoma) at 1 year surveillance colonoscopy analysed in all participants with observable follow-up data using a so-called at-the-margins approach, adjusted for BCSP site and repeat endoscopy at baseline. The safety population included all participants who received at least one dose of study drug. The trial is registered with the International Standard Randomised Controlled Trials Number registry, number ISRCTN05926847. Findings: Between Nov 11, 2011, and June 10, 2016, 709 participants were randomly assigned to four treatment groups (176 to placebo, 179 to EPA, 177 to aspirin, and 177 to EPA plus aspirin). Adenoma outcome data were available for 163 (93%) patients in the placebo group, 153 (85%) in the EPA group, 163 (92%) in the aspirin group, and 161 (91%) in the EPA plus aspirin group. The ADR was 61% (100 of 163) in the placebo group, 63% (97 of 153) in the EPA group, 61% (100 of 163) in the aspirin group, and 61% (98 of 161) in the EPA plus aspirin group, with no evidence of any effect for EPA (risk ratio [RR] 0·98, 95% CI 0·87 to 1·12; risk difference –0·9%, –8·8 to 6·9; p=0·81) or aspirin (RR 0·99 (0·87 to 1·12; risk difference –0·6%, –8·5 to 7·2; p=0·88). EPA and aspirin were well tolerated (78 [44%] of 176 had ≥1 adverse event in the placebo group compared with 82 [46%] in the EPA group, 68 [39%] in the aspirin group, and 76 [45%] in the EPA plus aspirin group), although the number of gastrointestinal adverse events was increased in the EPA alone group at 146 events (compared with 85 in the placebo group, 86 in the aspirin group, and 68 in the aspirin plus placebo group). Six upper-gastrointestinal bleeding events were reported across the treatment groups (two in the EPA group, three in the aspirin group, and one in the placebo group). Interpretation Neither EPA nor aspirin treatment were associated with a reduction in the proportion of patients with at least one colorectal adenoma. Further research is needed regarding the effect on colorectal adenoma number according to adenoma type and location. Optimal use of EPA and aspirin might need a precision medicine approach to adenoma recurrence. / Efficacy and Mechanism Evaluation Programme, a UK Medical Research Council and National Institute for Health Research partnership. / Research Development Fund Publication Prize Award winner, November 2018.
129

Influence of positive and negative dimensions of dementia caregiving on caregiver well-being and satisfaction with life: Findings from the IDEAL study

Quinn, Catherine, Nelis, S.M., Martyr, A., Victor, C., Morris, R.G. 08 April 2019 (has links)
Yes / The aim of this study was to identify the potential impact of positive and negative dimensions of caregiving on caregiver well-being and satisfaction with life (SwL). This study used time-point one data from the Improving the experience of Dementia and Enhancing Active Life (also known as IDEAL)cohort study that involved 1,283 informal caregivers of people in the mild-to-moderate stages of dementia recruited from 29 sites within Great Britain. Multivariate linear regression modeling was used to investigate the associations between positive dimensions of caregiving (measured by caregiving competence and perceptions of positive aspects of caregiving), negative dimensions of caregiving (measured by caregiving stress and role captivity), and caregiver well-being and SwL. Lower well-being was associated with low caregiving competence (–13.77; 95% confidence interval [CI]:–16.67, –10.87), perceiving fewer positive aspects of caregiving (–7.67; 95% CI:–10.26, –5.07), high caregiving stress (–24.45; 95% CI:–26.94, –21.96), and high role captivity (–15.61; 95% CI:–18.33, –12.89). Lower SwL was associated with low caregiving competence (–4.61; 95% CI:–5.57, –3.66), perceiving fewer positive aspects of caregiving (–3.09; 95% CI:–3.94, –2.25), high caregiving stress (–7.88; 95% CI:–8.71, –7.06), and high role captivity (–6.41; 95% CI:–7.27, –5.54). When these four measures were combined within the same model, only positive aspects of caregiving and caregiving stress retained independent associations with well-being and SwL. Both positive and negative dimensions of caregiving were associated with caregiver well-being and SwL. Psychological therapies and interventions need to consider not only the negative aspects of caregiving but also positive caregiving experiences and their implications for caregiver well-being and SwL. / Research Development Fund Publication Prize Award winner, February 2019. The IDEAL data will be deposited with the UK Data Archive upon completion of the study. Details on how the data can be accessed will be made available on the project website www.idealproject.org.uk.
130

Asymmetries between achromatic and chromatic extraction of 3D motion signals

Kaestner, M., Maloney, R.T., Wailes-Newson, K.H., Bloj, Marina, Harris, J.M., Morland, A.B., Wade, A.R. 21 June 2019 (has links)
Yes / Motion in depth (MID) can be cued by high-resolution changes in binocular disparity over time (CD), and low-resolution interocular velocity differences (IOVD). Computational differences between these two mechanisms suggest that they may be implemented in visual pathways with different spatial and temporal resolutions. Here, we used fMRI to examine how achromatic and S-cone signals contribute to human MID perception. Both CD and IOVD stimuli evoked responses in a widespread network that included early visual areas, parts of the dorsal and ventral streams, and motion-selective area hMT+. Crucially, however, we measured an interaction between MID type and chromaticity. fMRI CD responses were largely driven by achromatic stimuli, but IOVD responses were better driven by isoluminant S-cone inputs. In our psychophysical experiments, when S-cone and achromatic stimuli were matched for perceived contrast, participants were equally sensitive to the MID in achromatic and S-cone IOVD stimuli. In comparison, they were relatively insensitive to S-cone CD. These findings provide evidence that MID mechanisms asymmetrically draw on information in precortical pathways. An early opponent motion signal optimally conveyed by the S-cone pathway may provide a substantial contribution to the IOVD mechanism. / Supported by the Biotechnology and Biological Sciences Research Council Grants BB/M002543/1 (to A.R.W.), BB/M001660/1 (to J.M.H.), and BB/M001210/1 (to M.B.). / Research Development Fund Publication Prize Award winner, May 2019.

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