Effectiveness of Study Centres in Supporting Open and Distance Learning at Makerere University

In open and distance learning (ODL), the teacher and student are separated in time and space for most of the time. To ensure continuity of teaching and learning, learner support mechanisms are required. Rumble (1992) contends that for effective support these mechanisms should be decentralized and accessible to students. It is with this understanding that this study examined the effectiveness of Makerere University’s study centres in supporting teaching and learning in its ODL programmes. Following a survey design, data was elicited from 422 respondents who included students and staff of the University. This was done using questionnaires, interviews, focus group discussions and documentary analysis. The findings were that the centres are relevant to offering remote learner support, especially given the low level of technological advancement in Uganda. However, due to a number of factors, the centres are not offering satisfactory support to the students. These include the centres’ indistinct status and mandate; gaps in the University’s policies and understanding of ODL; inadequate funding of the centres; communication gaps between the centres and their coordinating unit at the University’s main campus; inadequacy of study, ICT and human resources at the centres; and unconducive location and opening hours of the centres. Recommendations for the better performance of the centres are discussed

Alcohol Hangover and Multitasking: Effects on Mood, Cognitive Performance, Stress Reactivity, and Perceived Effort

The aim of this study was to examine the effects of hangover on mood, multitasking ability, and psychological stress reactivity to cognitive demand. Using a crossover design and semi-naturalistic methodology, 25 participants attended the laboratory in the morning following a night of (i) alcohol abstinence and (ii) alcohol self-administration during a typical night out (with order counterbalanced across participants). They completed a four-module multitasking framework (MTF, a widely used laboratory stressor) and a battery of questionnaires assessing mood, hangover symptom severity, and previous night’s sleep. The effects of the MTF on mood and perceived workload were also assessed. Participants in the hangover condition reported significantly lower alertness and contentment coupled with a higher mental fatigue and anxiety. Multitasking ability was also significantly impaired in the hangover condition. Completion of the cognitive stressor increased reported levels of mental demand, effort, and frustration, and decreased perceived level of performance. MTF completion did not differentially affect mood. Lastly, participants rated their sleep as significantly worse during the night prior to the hangover compared with the control condition. These findings confirm the negative cognitive and mood effects of hangover on mood. They also demonstrate that hangover is associated with greater perceived effort during task performance

Nucleosynthesis Predictions for Intermediate-Mass AGB Stars: Comparison to Observations of Type I Planetary Nebulae

Type I planetary nebulae (PNe) have high He/H and N/O ratios and are thought to be descendants of stars with initial masses of ~3-8Msun. These characteristics indicate that the progenitor stars experienced proton-capture nucleosynthesis at the base of the convective envelope, in addition to the slow neutron capture process operating in the He-shell (the s-process). We compare the predicted abundances of elements up to Sr from models of intermediate-mass asymptotic giant branch (AGB) stars to measured abundances in Type I PNe. In particular, we compare predictions and observations for the light trans-iron elements Se and Kr, in order to constrain convective mixing and the s-process in these stars. A partial mixing zone is included in selected models to explore the effect of a 13C pocket on the s-process yields. The solar-metallicity models produce enrichments of [(Se, Kr)/Fe] < 0.6, consistent with Galactic Type I PNe where the observed enhancements are typically < 0.3 dex, while lower metallicity models predict larger enrichments of C, N, Se, and Kr. O destruction occurs in the most massive models but it is not efficient enough to account for the > 0.3 dex O depletions observed in some Type I PNe. It is not possible to reach firm conclusions regarding the neutron source operating in massive AGB stars from Se and Kr abundances in Type I PNe; abundances for more s-process elements may help to distinguish between the two neutron sources. We predict that only the most massive models would evolve into Type I PNe, indicating that extra-mixing processes are active in lower-mass stars (3-4Msun), if these stars are to evolve into Type I PNe.Comment: 39 pages, accepted for publication in Ap

Findings from the Sussex hate crime project

In this short report we summarise some of our key findings from the quantitative surveys and experiments (with over 1400 respondents) and which are yet to be published. Some of the data below on police perceptions are aggregated into two areas: London (serviced by the Metropolitan Police Service) and all other areas in England and Wales. This allows for a comparison between the country’s largest city (and largest police service) with the rest of the countr

Chest physiotherapy for mechanically ventilated children: a survey of current UK practice

Objectives: Chest physiotherapy is a treatment option for mechanically ventilated children. However, there is a lack of consensus regarding its value and informal discussions suggest variation in practice. This study describes chest physiotherapy practices for mechanically ventilated children in the UK and explores clinical decision making related to its delivery. Design: Cross-sectional study, using an anonymous, electronic survey. Participants: Qualified physiotherapists working in UK NHS paediatric intensive care units (PICUs). Results: The response rate was 61% (72/118), this included physiotherapists from 26/27 (96%) PICUs. All participants reported using manual hyperinflations and position changes ‘always’ or ‘often’. Variation in practice was evident for some techniques, including Metaneb® and percussion. DNase (99%, 71/72) and hypertonic saline (90%, 65/72) were the most frequently used mucoactives: 91% (59/65) of physiotherapists reported only nebulising hypertonic saline and 69% (49/71) use both nebulised and instilled DNase. Use and delivery of N-acetylcysteine was inconsistent (nebulised only 55%, 26/47; instilled only 15%, 7/47; both 30%, 14/47). Chest physiotherapy was most commonly delivered with a nurse (67%, 48/72). Clinical decision making processes were comparable between physiotherapists and encompassed three main elements: individual patient assessment, involvement of the multidisciplinary team, and risk versus benefit analysis. Conclusions: A range of chest physiotherapy treatments and adjuncts were used with ventilated children. Variation was apparent and may be due to individual preferences of those training staff or local policies. Pragmatic, interventional studies are required to determine best practice. Further exploration is necessary to understand the variation in practice and intricacies of decision making

Alone-Together: Shelves as Intergenerational Maps of Sense-Laden, Relational, Multimodal Pedagogies

Engaging with the concept of sensory shelfies, this essay exhibits how children and adults move across and between sounds, images and objects to make meaning and to tell stories. We glance beyond boundaries and imagine the notion of the shelf as an ongoing mapping of self where layers of experience enmesh and superimpose, and where our sense of self unfolds in the in-between, liminal spaces. These twelve shelves multimodally depict the porosity and fissures that opened up as we moved fluidly between online-offline spaces alone-together. Putting into practice an experimental and speculative approach to our research (Truman et al, 2020; Springgay and Truman, 2018), we argue for these methods as pedagogies that engage with the dynamic complexity of spaces of self. The point of departure for this researc

Alone-together:intergenerational mapping of digital and analogue spaces of self

The project featured in this article experiments with mapping methods as part of a research-creation approach to exploring spaces, times, and movements within materialisations of self. Bringing together adults and children across two cities during lockdown, the project problematises a stance on ‘learning loss’ during the pandemic and instead focuses on the potential of the experiential blurriness of analogue and digital spaces. Rather than seeking to control and structure online learning – thereby denying and limiting its possibilities, explorations, and senses of self – three researchers set out on a speculative approach that acknowledges the dynamic complexity of physical and virtual ways of knowing and being. The article discusses the affordances and challenges that the methodology offers and concludes with the broader implications of this research for reimagined post-pandemic pedagogies. In the end, we advocate for mapping as a way of generously creating spaces and activating meaning-making in diverse learning contexts