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- Arvidsson, Björn, et al.
(författare)
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Resource Decline in Higher Education – Perceptions and Consequences
- 2016
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Ingår i: LTHs 9:e Pedagogiska Inspirationskonferens.
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Konferensbidrag (refereegranskat)abstract
- Teaching students is one of the main tasks of LTH, as thousands of students engage on their engineering studies at the faculty every year. The funding for teaching these students is an essential source of income for LTH, but in recent years there has been an increased worry for diminishing financing for lecturing at the faculty.This study aims to investigate how lecturers perceive the development and what practical measures they have taken in their courses to counteract it. Interviews with ten lecturers at the department of Building and Environmental technology were performed. Many different practical strategies for dealing with the situation were documented during the interviews. The strategies are mainly focusing on making the students do more of the work on their own, e.g. working with the course literature. But the approaches to the problem varied greatly, as some lecturers tried to change as little as possible in order to save time, and others who saw a need for restructuring the entire educational program.
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- Hagelsteen, Kristine, et al.
(författare)
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Faster acquisition of laparoscopic skills in virtual reality with haptic feedback and 3D vision
- 2017
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Ingår i: Minimally Invasive Therapy and Allied Technologies. - : Informa UK Limited. - 1364-5706 .- 1365-2931. ; 26:5, s. 269-277
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The study investigated whether 3D vision and haptic feedback in combination in a virtual reality environment leads to more efficient learning of laparoscopic skills in novices.MATERIAL AND METHODS: Twenty novices were allocated to two groups. All completed a training course in the LapSim(®) virtual reality trainer consisting of four tasks: 'instrument navigation', 'grasping', 'fine dissection' and 'suturing'. The study group performed with haptic feedback and 3D vision and the control group without. Before and after the LapSim(®) course, the participants' metrics were recorded when tying a laparoscopic knot in the 2D video box trainer Simball(®) Box.RESULTS: The study group completed the training course in 146 (100-291) minutes compared to 215 (175-489) minutes in the control group (p = .002). The number of attempts to reach proficiency was significantly lower. The study group had significantly faster learning of skills in three out of four individual tasks; instrument navigation, grasping and suturing. Using the Simball(®) Box, no difference in laparoscopic knot tying after the LapSim(®) course was noted when comparing the groups.CONCLUSIONS: Laparoscopic training in virtual reality with 3D vision and haptic feedback made training more time efficient and did not negatively affect later video box-performance in 2D. [Formula: see text].
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- Hagelsteen, Kristine, et al.
(författare)
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Performance and perception of haptic feedback in a laparoscopic 3D virtual reality simulator
- 2019
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Ingår i: Minimally Invasive Therapy and Allied Technologies. - : Informa UK Limited. - 1364-5706 .- 1365-2931. ; 28:5, s. 309-316
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Tidskriftsartikel (refereegranskat)abstract
- Background: The benefit of haptic feedback in laparoscopic virtual reality simulators (VRS) is ambiguous. A previous study found 32% faster acquisition of skills with the combination of 3 D and haptic feedback compared to 2 D only. This study aimed to validate perception and effect on performance of haptic feedback by experienced surgeons in the previously tested VRS. Material and methods: A randomized single blinded cross-over study with laparoscopists (>100 laparoscopic procedures) was conducted in a VRS with 3 D imaging. One group started with haptic feedback, and the other group without. After performing the suturing task with haptics either enabled or disabled, the groups crossed over to the opposite setting. Face validity was assessed through questionnaires. Metrics were obtained from the VRS. Results: The haptics for ‘handling the needle’, ‘needle through tissue’ and ‘tying the knot’ was scored as completely realistic by 3/22, 1/22 and 2/22 respectively. Comparing the metrics for maximum stretch damage between the groups revealed a significantly lower score when a group performed with haptics enabled p =.027 (haptic first group) and p <.001(haptic last group). Conclusion: Haptic feedback in VRS has limited fidelity according to the tested laparoscopic surgeons. In spite of this, significantly less stretch damage was caused with haptics enabled.
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- Hagelsteen, Magnus, et al.
(författare)
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Practical aspects of capacity development in the context of disaster risk reduction
- 2016
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Ingår i: International Journal of Disaster Risk Reduction. - : Elsevier BV. - 2212-4209. ; 16, s. 43-52
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Tidskriftsartikel (refereegranskat)abstract
- Capacity development for disaster risk reduction (DRR) has been identified as one of the main ways of substantially reducing disaster losses. In previous research, several elements have been identified that are important in capacity development for DRR. For this study, documentation from nine international capacity development projects for DRR has been analysed. The projects were undertaken by a Swedish civil governmental agency, during the period 2007-2013. The documentation analysis was complemented with seven interviews with the organisation's project managers. The purpose was to understand to what extent the previously identified elements are reflected and dealt with in DRR projects conducted by the organisation. The analysis further sought to understand whether any developments can be observed during the period studied, and if additional challenges or opportunities were identified by the professionals running these projects.The findings show a complex and progressive picture regarding the organisation's familiarity with and use of the elements from 2010 and onwards. The elements are noted to be useful in guiding the design and implementation of capacity development projects for DRR. Positive developments can also be noted on the part of the organisation e.g. a more structured way of working with capacity development and conducting capacity assessments. The organisation, however, faced challenges translating its capacity development guidance into a practical tool. Other noted challenges included staff turnover, project management limitations and funding restrictions.
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- Hagelsteen, Magnus, et al.
(författare)
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Systemic problems of capacity development for disaster risk reduction in a complex, uncertain, dynamic, and ambiguous world
- 2019
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Ingår i: International Journal of Disaster Risk Reduction. - : Elsevier BV. - 2212-4209. ; 36
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Tidskriftsartikel (refereegranskat)abstract
- The international community has been engaged in capacity development for decades, sometimes under different names or with a slightly different focus. So far, these efforts have failed to bring significant and sustainable change. The Sendai Framework for Disaster Risk Reduction 2015–2030 specifies capacity development as the means to reduce disaster losses substantially. The purpose of this paper is to offer a better understanding of the reasons behind the poor results with capacity development for disaster risk reduction (DRR). Twenty qualitative semi-structured interviews with high-level decision makers in the international community indicate systemic failure that requires a complete overhaul of the aid system. When analysing the discrepancies between principles for capacity development (ownership, partnership, contextualization, flexibility, learning, accountability, long-term, and sustainability) and the actual performance of actors operating in a complex, dynamic, uncertain, and ambiguous world, five interrelated problems emerge: (1) Clashing principles; (2) Quixotic control; (3) Mindset lag; (4) Lack of motivation for change; and (5) Power imbalances. Understanding and addressing these systemic problems is fundamental to the success of capacity development. It is not enough to blame the actors who implement capacity development activities for DRR, nor to merely rename it, yet again, after another few years of continuous frustration.
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