Stirling Online Research Repository (RIOXX)
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A longitudinal framework to describe the relation between age-related hearing loss and social isolation
Full text linkMany older adults live with some form of hearing loss and have difficulty understanding speech in the presence of background sound. Experiences resulting from such difficulties include increased listening effort and fatigue. Social interactions may become less appealing in the context of such experiences, and age-related hearing loss is associated with an increased risk of social isolation and associated negative psychosocial health outcomes. However, the precise relationship between age-related hearing loss and social isolation is not well described. Here, we review the literature and synthesize existing work from different domains to propose a framework with three conceptual anchor stages to describe the relation between hearing loss and social isolation: within-situation disengagement from listening, social withdrawal, and social isolation. We describe the distinct characteristics of each stage and suggest potential interventions to mitigate negative impacts of hearing loss on social lives and health. We close by outlining potential implications for researchers and clinicians
Performance evaluation in teaching: Dissecting student evaluations in higher education
Full text linkNumerous studies have highlighted the significant role of Student Evaluations of Teaching (SETs) as a key metric for assessing teaching quality in Higher Education (HE). Building upon these insights, our study introduces an innovative four-tiered model, derived from diverse research, to examine the reliability of SETs. This model addresses biases associated with SETs, delving into both statistical anomalies and cognitive biases, with particular emphasis on often-overlooked hidden context and timing factors. We reveal that these biases can distort SET scores, leading to potentially inaccurate representations of both individual and comparative academic performances. The implications of our research are significant for those influencing HE policy-making and performance evaluation. We echo previous calls for a more expansive approach to teaching effectiveness, essential for genuine insight into teaching quality. By adopting this perspective, HE can design better-informed strategies, ensuring policies and practices reflect the diverse nature of teaching excellence
Clarifying the murk: unveiling bacterial dynamics in response to crude oil pollution, Corexit-dispersant, and natural sunlight in the Gulf of Mexico
Full text linkThe 2010 Deepwater Horizon (DwH) Oil spill released an enormous volume of oil into the Gulf of Mexico (GoM), prompting the widespread use of chemical dispersants like Corexit® EC9500A. The ecological consequences of this treatment, especially when combined with natural factors such as sunlight, remain unexplored in the context of marine bacterial communities’ dynamics. To address this knowledge gap, our study employed a unique metaproteomic approach, investigating the combined effects of sunlight, crude Macondo surrogate oil, and Corexit on GoM microbiome across different mesocosms. Exposure to oil and/or Corexit caused a marked change in community composition, with a decrease in taxonomic diversity relative to controls in only 24 hours. Hydrocarbon (HC) degraders, particularly those more tolerant to Corexit and phototoxic properties of crude oil and/or Corexit, proliferated at the expense of more sensitive taxa. Solar radiation exacerbated these effects in most taxa. We demonstrated that sunlight increased the dispersant’s toxicity, impacting on community structure and functioning. These functional changes were primarily directed by oxidative stress with upregulated proteins and enzymes involved in protein turnover, general stress response, DNA replication and repair, chromosome condensation, and cell division. These factors were more abundant in chemically treated conditions, especially in the presence of Corexit compared to controls. Oil treatment significantly enhanced the relative abundance of Alteromonas, an oil-degrading Gammaproteobacteria. In combined oil-Corexit treatments, the majority of identified protein functions were assigned to Alteromonas, with strongly expressed proteins involved in membrane transport, motility, carbon and amino acid metabolism and cellular defense mechanisms. Marinomonas, one of the most active genera in dark conditions, was absent from the light treatment. Numerous metabolic pathways and HC-degrading genes provided insights into bacterial community adaptation to oil spills. Key enzymes of the glyoxylate bypass, enriched in contaminant-containing treatments, were predominantly associated with Rhodobacterales and Alteromonadales. Several proteins related to outer membrane transport, photosynthesis, and nutrient metabolisms were characterized, allowing predictions of the various treatments on biogeochemical cycles. The study also presents novel perspectives for future oil spill clean-up processes
Understanding the impact of COVID-19 on women’s access to and experiences of contraceptive services in England: a qualitative study
Full text linkAbstract Background The COVID-19 pandemic response prompted rapid changes to how contraceptive services were delivered in England. Our aim was to examine women’s experiences of accessing contraceptive services since March 2020 and to understand any inequalities of access. Methods We conducted telephone interviews with 31 women aged 17–54 years who had accessed contraceptive services in England since March 2020. The sample was skewed to include participants with lower educational attainment and higher deprivation. Interview transcripts were thematically analysed using inductive and deductive approaches. Results Few differences were found regarding educational attainment. Participants using contraceptive injections (all living in areas in the most deprived quintile) reported the greatest access challenges. Some switched method or stopped using contraception as a result. More general barriers reported by participants included service closures, unclear booking processes, and lack of appointment availability. Many participants welcomed the flexibility and convenience of remote contraceptive services. However, telephone appointments posed challenges for those at school or living with parents, and some described them as rushed and inconducive to asking questions or raising concerns. Those accessing contraception for the first time or nearing menopause felt they were unable to access sufficient support and guidance during the pandemic. Some participants voiced concerns around the lasting effects of COVID-19 on appointment availability and inadequate service delivery. Conclusions Women’s experiences of accessing contraceptive services in England since March 2020 are diverse. While remote services were suitable for some, COVID-19 restrictions unequally impacted women depending on their method of contraception and life stage
The European Climate Law: Strengthening EU Procedural Climate Governance?
Full text linkIn 2021, the European Union (EU) adopted the so-called European Climate Law (ECL), enshrining in law the 2050 climate-neutrality objective and upgraded 2030 emission reduction target. The ECL bears the hallmarks of what we term ‘procedural climate governance’, which comprises the regulatory frameworks, instruments, institutions and processes that shape substantive climate policies and their implementation. This article identifies seven key functions of procedural climate governance—target-setting; planning; monitoring and evaluation; climate policy integration; scientific expert advice; access to justice; and public participation—and uses these for critically assessing the ECL. We argue that while the ECL has significantly strengthened important aspects of EU procedural climate governance, further reforms are needed for the EU to develop and implement the substantive policies towards a climate-neutral and climate-resilient economy and society and to bolster public support and ownership of the transition. The upcoming reviews of the ECL and the Governance Regulation provide a critical opportunity for strengthening procedural climate governance in the EU
"More support, less distress?": Examining the role of social norms in alleviating practitioners' psychological distress in the context of assisted dying services
Full text linkThis study explores how providing assisted dying services affects the psychological distress of practitioners. It investigates the influence of professional norms that endorse such services within their field. Study 1 included veterinarians (N = 137, 75.2% female, Mage = 43.1 years, SDage = 12.7 years), and Study 2 health practitioner students (N = 386, 71.0% female, Mage = 21.0 years, SDage = 14.4 years). In both studies, participants indicated their degree of psychological distress following exposure to scenarios depicting assisted dying services that were relevant to their respective situations. In Study 1, we found that higher willingness to perform animal euthanasia was associated with lower distress, as were supportive norms. In Study 2, a negative association between a greater willingness to perform euthanasia and lower psychological distress occurred only when the provision of such services was supported by professional norms. In conclusion, psychological distress is buffered by supportive professional norms
Engineering aquatic plant community composition on floating treatment wetlands can increase ecosystem multifunctionality
Full text linkPhytoremediation using floating treatment wetlands (FTWs) is an emerging nature-based solution for freshwater restoration. However, the potential to design these systems by manipulating macrophyte community composition to provide multiple ecosystem services remains unexplored. Using a tank experiment, we simulated aquatic environments impacted by multiple pollutants and employed a comparative ecological approach to design emergent macrophyte communities using the trait of plant stature (plant height) to structure communities. Ecosystem functions were quantified, and a threshold-based method used to compute an ecosystem multifunctionality index that was weighted based on three different management-driven restoration objectives: equal importance, phytoremediation, and regulation and cultural services. Across all restoration scenarios, ecosystem multifunctionality was higher when community types performed more diverse functions. Small emergent plant communities outperformed all other community types due to their increased provision of both regulation and maintenance, cultural, and provisioning services. Conversely, large emergent communities that are more typical candidates for phytoremediation had the highest levels of multifunctionality only when function was lower. Arranging emergent macrophytes in mixed-statured communities led to intermediate or poorer performance both in terms of multifunctionality and specific functions, suggesting that diversity on the plant stature axis leads to negative plant interactions and represents a ‘worst of both worlds’ combination. Employing comparative ecology to generalise plant selection by stature demonstrates that large emergent macrophytes are more likely to better deliver provision-based services, while small emergent communities can provide additional benefits from cultural and regulatory services. Selecting macrophytes for FTWs employed in freshwater restoration by stature is a simple and widely applicable approach for designing plant communities with predictable outcomes in terms of (multiple) ecosystem service provision and highlights the need for environmental managers to closely align restoration objectives with potential community types
The effect of a minimum price per unit of alcohol in Scotland on alcohol-related ambulance call-outs: A controlled interrupted time−series analysis
Full text linkBackground and aims: On 1 May 2018, Scotland introduced a minimum unit price (MUP) of £0.50 for alcohol, with one UK unit of alcohol being 10ml of pure ethanol. This study measured the association between MUP and changes in the volume of alcohol-related ambulance callouts in the overall population and in callouts subsets (night-time callouts and subpopulations with higher incidence of alcohol-related harm). Design: An interrupted time series (ITS) was used to measure variations in the daily volume of alcohol-related callouts. We performed uncontrolled ITS on both the intervention and control group and a controlled ITS built on the difference between the two series. Data were from electronic-patient-clinical records from the Scottish Ambulance Service. Setting and cases: Alcohol-related ambulance callouts (intervention group) and total ambulance callouts for people under 13 years old (control group) in Scotland, from December 2017 to March 2020 Measurements: Callouts were deemed alcohol-related if ambulance clinicians indicated that alcohol was a ’contributing factor’ in the callout and/or a validated Scottish Ambulance Service algorithm determined that the callout was alcohol-related. Findings: No statistically significant association in the volume of callouts was found in both uncontrolled series (step change: 0.062, 95% confidence interval [CI]: -0.012,0.0135 p=0.091; slope change: -0.001, 95%CI: -0.001, 0.1×10-3 p=0.139) and controlled (step change: -0.01, 95%CI: -0.317,0.298 p=0.951; slope change: -0.003, 95%CI: -0.008, 0.002 p=0.257). Similarly, no significant changes were found for the night-time series or for any population subgroups. Conclusions: There appears to be no statistically significant association between the introduction of minimum unit pricing for alcohol in Scotland and the volume of alcohol-related ambulance callouts. This was observed overall, across subpopulations and at night-time
Do natural resources and foreign direct investment tend to erode or support the development of national institutions?
Full text linkThis paper explores the relationships between natural resources, foreign direct investment (FDI) and the quality of national institutions, also known as “the rules of the game”. Using a data set of 69 developing countries over the period 1970–2015 to estimate a dynamic panel data model, we find negative and significant effects of natural resources use or extraction on the development of national institutions. We focus on legal and property rights, but these findings also apply to the quality of some other national institutions. Our results align with a theory that abundant natural resources lead to weakened institutions because of the potential for firms to secure monopoly rents. Furthermore, we find that the effects of FDI inflows on institutional development are not robust to controlling for natural resources rents. This suggests that the latter tend to erode institutions regardless of whether those resources are exploited alongside increased foreign investment into the local economy
Assessment of patients with head and neck cancer using the MD Anderson Dysphagia Inventory: Results of a study into its comprehensiveness, comprehensibility and relevance to clinical practice
Full text linkBackground: The MD Anderson Dysphagia Inventory (MDADI) is a widely used patient-reported outcome measure (PROM) which assesses dysphagia-related quality of life (QoL) in head and neck cancer (HNC). Despite its common use in HNC research and clinical practice, few of its psychometric properties have been reappraised since its inception. The aim of this study was to perform a survey-based qualitative analysis of UK HNC clinicians’ perceptions of the content validity of the MDADI, evaluating it across the parameters of relevance, comprehensiveness and comprehensibility as per the COSMIN guideline for PROM assessment. Results: Four themes relating to the content validity of the MDADI were identified: (1) MDADI items lack clarity of definition of the terms ‘swallowing’, ‘eating’ and ‘dysphagia’; (2) the MDADI is perceived to be overly negative in tone including items that service users may find distressing or disempowering; (3) items in the tool are exclusory to specific subgroups of patients, such as those who are nil by mouth or socially isolated; and (4) modifications to the MDADI were suggested and encouraged to make it more clinically useful and patient-centred. Conclusions: This study indicates that MDADI’s content validity is ‘insufficient’ when rated by COSMIN parameters. This has significant implications for its continued use in HNC research and clinical practice. Further re-evaluation of the content validity of the MDADI is warranted, with potential future amendment of items being indicated if the results of this study are corroborated in subsequent research
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