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Träfflista för sökning "WFRF:(Gullberg Eva) srt2:(2005-2009)"

Sökning: WFRF:(Gullberg Eva) > (2005-2009)

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  • Gullberg, Annica, et al. (författare)
  • Lärarstudenters uppfattning om elevers begrepp om gas
  • 2007
  • Ingår i: Eskilsson, Olle, Redfors, Andreas (red.), Ämnesdidaktik ur ett nationellt och internationellt perspektiv. - Kristianstad : Kristianstad University Press. - 9197396443 ; , s. 133-142
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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  • Gullberg, Annica, et al. (författare)
  • Prospective teachers’ initial conceptions about pupils’ understanding of science and mathematics
  • 2008
  • Ingår i: European Journal of Teacher Education. - : Informa UK Limited. - 0261-9768 .- 1469-5928. ; 31:3, s. 257-278
  • Tidskriftsartikel (refereegranskat)abstract
    • Earlier reports have shown that prospective teachers' conceptions about teaching science to a high degree are resistant and do not change substantially during the teacher-training programme. In our investigation we elucidate the prospective teachers' initial conceptions about pupils' understanding of science and mathematics. We applied 'The Lesson Preparation Method' and used a phenomenographic approach in order to reveal the range of conceptions that the prospective teachers hold. A third of the prospective teachers did not consider pupils' conceptions when planning lessons. The rest of the 32 participants expressed awareness; some of the prospective teachers even referred to subject-specific teaching experience. Also regarding the prospective teachers' conceptions about pupils' knowledge and beliefs, as well as about pupils' difficulties, there was a significant diversity. By raising these issues about pedagogical content knowledge the prospective teachers' conceptions can be extended and developed during the education.
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  • Sieri, Sabina, et al. (författare)
  • Dietary fat and breast cancer risk in the European Prospective Investigation into Cancer and Nutrition.
  • 2008
  • Ingår i: American Journal of Clinical Nutrition. - : Elsevier BV. - 0002-9165 .- 1938-3207. ; 88:5, s. 1304-1312
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND:Epidemiologic studies have produced conflicting results with respect to an association of dietary fat with breast cancer.OBJECTIVE:We aimed to investigate the association between fat consumption and breast cancer.DESIGN:We prospectively investigated fat consumption in a large (n = 319,826), geographically and culturally heterogeneous cohort of European women enrolled in the European Prospective Investigation into Cancer and Nutrition who completed a dietary questionnaire. After a mean of 8.8 y of follow-up, 7119 women developed breast cancer. Cox proportional hazard models, stratified by age and center and adjusted for energy intake and confounders, were used to estimate hazard ratios (HRs) for breast cancer.RESULTS:An association between high saturated fat intake and greater breast cancer risk was found [HR = 1.13 (95% CI: 1.00, 1.27; P for trend = 0.038) for the highest quintile of saturated fat intake compared with the lowest quintile: 1.02 (1.00, 1.04) for a 20% increase in saturated fat consumption (continuous variable)]. No significant association of breast cancer with total, monounsaturated, or polyunsaturated fat was found, although trends were for a direct association of risk with monounsaturated fat and an inverse association with polyunsaturated fat. In menopausal women, the positive association with saturated fat was confined to nonusers of hormone therapy at baseline [1.21 (0.99, 1.48) for the highest quintile compared with the lowest quintile; P for trend = 0.044; and 1.03 (1.00, 1.07) for a 20% increase in saturated fat as a continuous variable].CONCLUSIONS:Evidence indicates a weak positive association between saturated fat intake and breast cancer risk. This association was more pronounced for postmenopausal women who never used hormone therapy.
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