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- Ask, Anna, et al.
(författare)
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Studenters uppmärksamhet under föreläsningar
- 2009
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Ingår i: Proceedings utvecklingskonferens 09 Lunds Universitet. - 9789197797429 ; , s. 112-120
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Konferensbidrag (refereegranskat)abstract
- Föreläsningar är vanlig undervisningsform på Lunds Tekniska Högskola (LTH). Deras stora fördel är att information överförs ekonomiskt och effektivt till många studenter samtidigt men de har även sina begränsningar. Kritiker menar att information överförs till passivt mottagande studenter och att bristande uppmärksamhet och engagemang hos studenterna begränsar mängden kunskap som faktiskt tas emot. En intervju- och litteraturstudie har genomförts för att dels inventera vilka metoder som finns för att hålla studenternas uppmärksamhet uppe och dels vilka som tillämpas av föreläsare vid LTH. Variation och olika former av aktivering framstår såväl i litteraturen som i intervjuerna som viktiga metoder. I artikeln presenteras även inspiration kring hur man kan använda variation, och andra aktiviteter för att engagera och aktivera studenterna samt hur man kan strukturera en föreläsning. De flesta av de intervjuade föreläsarna uppger att de utvecklat sina strategier genom erfarenhet medan knappt hälften nämner pedagogiska kurser.
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- Bergström, Malin, et al.
(författare)
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Fifty moves a year: is there an association between joint physical custody and psychosomatic problems in children?
- 2015
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Ingår i: Journal of Epidemiology and Community Health. - : BMJ Publishing Group. - 0143-005X .- 1470-2738. ; 69:8, s. 769-774
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Tidskriftsartikel (refereegranskat)abstract
- Background In many Western countries, an increasing number of children with separated parents have joint physical custody, that is, live equally much in their parents respective homes. In Sweden, joint physical custody is particularly common and concerns between 30% and 40% of the children with separated parents. It has been hypothesised that the frequent moves and lack of stability in parenting may be stressful for these children. Methods We used data from a national classroom survey of all sixth and ninth grade students in Sweden (N=147839) to investigate the association between childrens psychosomatic problems and living arrangements. Children in joint physical custody were compared with those living only or mostly with one parent and in nuclear families. We conducted sex-specific linear regression analyses for z-transformed sum scores of psychosomatic problems and adjusted for age, country of origin as well as childrens satisfaction with material resources and relationships to parents. Clustering by school was accounted for by using a two-level random intercept model. Results Children in joint physical custody suffered from less psychosomatic problems than those living mostly or only with one parent but reported more symptoms than those in nuclear families. Satisfaction with their material resources and parent-child relationships was associated with childrens psychosomatic health but could not explain the differences between children in the different living arrangements. Conclusions Children with non-cohabitant parents experience more psychosomatic problems than those in nuclear families. Those in joint physical custody do however report better psychosomatic health than children living mostly or only with one parent. Longitudinal studies with information on family factors before and after the separation are needed to inform policy of childrens postseparation living arrangements.
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- Bergström, Malin, et al.
(författare)
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Living in two homes-a Swedish national survey of wellbeing in 12 and 15 year olds with joint physical custody
- 2013
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Ingår i: BMC Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 13
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Tidskriftsartikel (refereegranskat)abstract
- Background The practice of joint physical custody, where children spend equal time in each parent's home after they separate, is increasing in many countries. It is particularly common in Sweden, where this custody arrangement applies to 30 per cent of children with separated parents. The aim of this study was to examine children's health-related quality of life after parental separation, by comparing children living with both parents in nuclear families to those living in joint physical custody and other forms of domestic arrangements.Methods Data from a national Swedish classroom study of 164,580 children aged 12 and 15-years-old were analysed by two-level linear regression modelling. Z-scores were used to equalise scales for ten dimensions of wellbeing from the KIDSCREEN-52 and the KIDSCREEN-10 Index and analysed for children in joint physical custody in comparison with children living in nuclear families and mostly or only with one parent.Results Living in a nuclear family was positively associated with almost all aspects of wellbeing in comparison to children with separated parents. Children in joint physical custody experienced more positive outcomes, in terms of subjective wellbeing, family life and peer relations, than children living mostly or only with one parent. For the 12-year-olds, beta coefficients for moods and emotions ranged from -0.20 to -0.33 and peer relations from -0.11 to -0.20 for children in joint physical custody and living mostly or only with one parent. The corresponding estimates for the 15-year-olds varied from -0.08 to -0.28 and from -0.03 to -0.13 on these subscales. The 15-year-olds in joint physical custody were more likely than the 12-year-olds to report similar wellbeing levels on most outcomes to the children in nuclear families.Conclusions Children who spent equal time living with both parents after a separation reported better wellbeing than children in predominantly single parent care. This was particularly true for the 15-year-olds, while the reported wellbeing of 12-years-olds was less satisfactory. There is a need for further studies that can account for the pre and post separation context of individual families and the wellbeing of younger age groups in joint physical custody.
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- Butorin, Sergei M., et al.
(författare)
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Local Symmetry Effects in Actinide 4f X-ray Absorption in Oxides
- 2016
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Ingår i: Analytical Chemistry. - : American Chemical Society (ACS). - 0003-2700 .- 1520-6882. ; 88:8, s. 4169-4173
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Tidskriftsartikel (refereegranskat)abstract
- A systematic X-ray absorption study at actinide N-6,(7) (4f -> 6d transitions) edges was performed for light-actinide oxides including data obtained for the first time for NpO2, PuO2 and UO3. The measurements were supported by ab initio calculations based on local-density approximation. with added 5f-5f Coulomb interaction (LDA+U). Improved energy resolution compared to common experiments at actinide L-2,L-3 (2p -> 6d transitions) edges allowed us to resolve the major structures of the 13 unoccupied 6d density of states (DOS) and estimate the crystal-field 116) splittings in the 6d shell directly from the spectra of light-actinide dioxides. The measurements demonstrated an enhanced sensitivity of the N-6,N-7, spectral shape to changes in the compound crystal structure. For nonstoichiometric NpO2-x, the filling of the entire band gap with Np 6d states was observed thus supporting a phase coexistence of Np metal and stoichiometric NpO2 which is in agreement with the tentative Np-O phase diagram.
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- Butorin, Sergei. M., et al.
(författare)
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Probing Chemical Bonding in Uranium Dioxide by Means of High- Resolution X-ray Absorption Spectroscopy
- 2016
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Ingår i: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 120:51, s. 29397-29404
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Tidskriftsartikel (refereegranskat)abstract
- A systematic X-ray absorption study at the U 3d, 4d, and 4f edges of UO2 was performed, and the data were analyzed within framework of the Anderson impurity model. By applying the high-energy-resolution fluorescence-detection (HERFD) mode of X-ray absorption spectroscopy (XAS) at the U 3d(3/2) edge and conducting the XAS measurements at the shallower U 4f levels, fine details of the XAS spectra were resolved resulting from reduced core-hole lifetime broadening. This multiedge study enabled a far more effective analysis of the electronic structure at the U sites and characterization of the chemical bonding and degree of the 5f localization in UO2. The results support the covalent character of UO2 and do not agree with the suggestions of rather ionic bonding in this compound as expressed in some publications.
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- Chen, Tian-Jiao, et al.
(författare)
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Regional, socioeconomic and urban-rural disparities in child and adolescent obesity in China : a multilevel analysis
- 2011
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 100:12, s. 1583-1589
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Tidskriftsartikel (refereegranskat)abstract
- Aim: To study socio-demographic patterns of obesity in Chinese children and adolescents. Methods: Data came from the 2005 cycle of the Chinese National Survey on Student's Constitution and Health. In all, 231 326 subjects aged 7-18 years, distributed across 622 schools and 30 provinces, were analysed. Multilevel modelling was used to estimate variations at individual, school area and province levels. Results: The prevalence of obesity varied enormously across different areas. Young people living in high socioeconomic and urban areas had higher body mass index (BMI) and higher odds of overweight and obesity than those living in lower socioeconomic and rural areas. Subjects living in provinces with a higher standard of living, as indicated by less perinatal mortality, lower Engel coefficient, and higher personal expenditure on health had higher BMI and higher odds of overweight and obesity than those living in less affluent provinces. An interaction between gender and urbanicity revealed that boys in urban areas were especially prone to obesity. Conclusion: In contrast to most present-day high income countries, obesity among young people in China is associated with affluence and urban residence. Intervention and strategy for obesity prevention should be targeting high socioeconomic families in urban areas, perhaps with particular focus on boys.
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- Fröberg, Frida, 1973-, et al.
(författare)
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The Association Between Compulsory School Achievement and Problem Gambling Among Swedish Young People
- 2015
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Ingår i: Journal of Adolescent Health. - : Elsevier. - 1054-139X .- 1879-1972. ; 56:4, s. 420-428
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Tidskriftsartikel (refereegranskat)abstract
- Purpose We aimed to examine the association between school grades at the age of 16 years and problem gambling at the age of 17–25 years among Swedish females and males. Methods In a cohort design, we followed the 16- to 24-year-old participants in the representative Swedish Longitudinal Gambling Study for 2 years, 2008/2009 and 2009/2010, generating 3,816 person-years of follow-up time. The outcome, incidence of mild and moderate/severe gambling problems, was measured by the Problem Gambling Severity Index in telephone interviews. The exposure was register-linked information about final grades in compulsory school. The association between school grades and problem gambling was estimated in multinomial logistic regressions. Results Low and average school grades were associated with increased incidence of mild and moderate/severe problem gambling compared to high grades, adjusted for sociodemographic characteristics, psychological distress, and alcohol use. Low grades, compared to high grades, were associated with a higher risk of mild gambling problems for adolescent males, whereas the incidence proportion of moderate/severe problem gambling was high for males aged 20–25 years with low grades, among whom unemployment was also very high. Furthermore, we found a strong and graded association between school grades and moderate/severe problem gambling for women in both age groups, despite a low prevalence of gambling participation among females compared to males. Conclusions Our findings show that Swedish youth with low school achievement have an increased risk of gambling problems up to 8 years after school graduation, after control for confounding from sociodemographic characteristics, psychological distress, and alcohol use, and that this association is stronger for females than males.
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