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- Ahl, Helene, 1958-
(author)
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Motivation, finns det? [video]
- 2022
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Other publication (film/video) (pop. science, debate, etc.)abstract
- Ett samtal om motivation och vuxnas lärande med Helene Ahl, professor i företagsekonomi vid Encell och Högskolan för lärande och kommunikation. Helene har skrivit boken 'Motivation och vuxnas lärande - En kunskapsöversikt och problematisering', på uppdrag av dåvarande Myndigheten för skolutveckling. Nu går hon igenom området igen, utifrån var vi står idag, och slår hål på allmänt vedertagna sanningar om motivation. Intervjuar gör Karin Havemose, universitetslektor i arbetsorganisation vid Jönköpings tekniska högskola.
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| 4. |
- Ahmad, Bilal, et al.
(author)
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The Perfect Match : RIS-enabled MIMO Channel Estimation Using Tensor Decomposition
- 2023
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Other publication (other academic/artistic)abstract
- The deployment of reconfigurable intelligent surfaces (RISs) in a communication system provides control over the propagation environment, which facilitates the augmentation of a multitude of communication objectives. As these performance gains are highly dependent on the applied phase shifts at the RIS, accurate channel state information at the transceivers is imperative. However, not only do RISs traditionally lack signal processing capabilities, but their end-to-end channels also consist of multiple components. Hence, conventional channel estimation (CE) algorithms become incompatible with RIS-aided communication systems as they fail to provide the necessary information about the channel components, which are essential for a beneficial RIS configuration. To enable the full potential of RISs, we propose to use tensor-decomposition-based CE, which facilitates smart configuration of the RIS by providing the required channel components. We use canonical polyadic (CP) decomposition, that exploits a structured time domain pilot sequence. Compared to other state-of-the-art decomposition methods, the proposed Semi-Algebraic CP decomposition via Simultaneous Matrix Diagonalization (SECSI) algorithm is more time efficient as it does not require an iterative process. The benefits of SECSI for RIS-aided networks are validated with numerical results, which show the improved individual and end-to-end CE accuracy of SECSI.
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- Al-Breihi, Ahmed, et al.
(author)
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Riskful Play – verkligen lek på liv och död? [Föredrag]
- 2023
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Other publication (pop. science, debate, etc.)abstract
- Barn och ungdomar behöver träna på sina förmågor för att utvecklas som självständiga individer och bli redo för morgondagens okända utmaningar. Ahmed och Xinga, från Riskful Play organisationen föreläser om hur lärare och pedagoger från förskola, fritidshem, grundskola, gymnasiet, fritidsgård, politiken och andra intressenter kan arbeta för att skapa en pedagogisk verksamhet där förmågor gällande riskbenägenhet kan skapas. Barn och unga ska kunna få klättra i träd, ha tillgång till en klättervägg, springa i en hinderbana och bada i sjöar – eller?Under föredraget kommer du få kunskap och inspiration kring hur vi i vuxenvärlden kan arbeta för att kunna möjliggöra dessa utmaningar. Hur förebygger vi vuxnas rädslor hos rektorer, lärare och andra intressenter till förmån för barnens långsiktiga utveckling?Det är skillnad på risk och fara. Ett av dessa ska vi främja, den andra förhindra. Svaret finner vi tillsammans i föredraget. Välkomna!
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- Al-Saqaf, Walid, Associate Professor, 1973-, et al.
(author)
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Analysing Twitter Discourse on Extreme Events and Climate Change Using Quantitative Research Methods and Applying Theoretical Interpretations
- 2022
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In: SAGE Research Methods Cases. - London : Sage Publications. - 9781529601107
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Other publication (peer-reviewed)abstract
- This method case study describes how we extracted and analyzed data from Twitter as part of a research project to investigate how users connected climate change to extreme weather events during 2008–2017. The paper describes how the open-source tool, Mecodify, was used as a fundamental part of the method to download data from Twitter and identify key insights through tables, graphs and machine-readable files. The paper goes into detail to describe the steps that were taken from the building the search query to analyzing, aggregating, and visualizing the data used to describe the findings. Although Mecodify facilitated the process significantly, the paper highlights some of the challenges that were confronted during different research stages and how they were overcome. The aim is to provide social media researchers with some useful insights for their own research.
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- Alatalo, Juha M., et al.
(author)
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Bryophyte cover and richness decline after 18 years of experimental warming in Alpine Sweden
- 2024
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Other publication (other academic/artistic)abstract
- 1. Bryophytes in the Arctic and Alpine regions are important in terms of biodiversity, cover and biomass. However, climate change and widespread shrubification of alpine and arctic tundra is predicted to increase in the future, with potentially large impacts on bryophyte communities.2. We studies the impact of 18 years of experimental warming with open top chambers (OTCs) on bryophyte cover, richness and diversity in an alpine mesic meadow and a heath plant community in Northern Sweden. In addition we investigated the relationship between deciduous shrubs and bryophytes.3. Cover and richness of bryophytes both declined due to long-term warming, while diversity did not show any significant responses. After 18 years, bryophyte cover had decreased by 71% and 26 in the heath and meadow, while richness declined by 39% and 26%, respectively.4. Synthesis. Decline in total bryophyte cover in both communities in response to long-term warming was driven by a general decline in many species, with only two individual species showing significant declines. Although most of the species included in the individual analyses did not show any detectable changes, the cumulative change in all species was significant. In addition, species loss was slower than the general decline in bryophyte abundance. As hypothesized, we found significant negative relationship between deciduous shrub cover and bryophyte cover, but not bryophyte richness, in both plant communities. This is likely due to a more delayed decline in species richness compared to abundance, similar to what was observed in response to long-term warming.
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| 8. |
- Alatalo, Juha M., et al.
(author)
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Seven years of experimental warming and nutrient addition causes decline of bryophytes and lichens in alpine meadow and heath communities
- 2024
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Other publication (other academic/artistic)abstract
- Global change is predicted to have large and rapid impact on polar and alpine regions. Bryophytes and lichens increase their importance in terms of biomass, carbon/nutrient cycling, cover and ecosystem functioning at higher latitudes/altitudes. Here we report from a seven year factorial experiment with nutrient addition and warming on the abundance of bryophytes and lichens in an alpine meadow and heath community. Treatments had significant negative effect on relative change of total abundance bryophytes and lichens, the largest decline to the nutrient addition and the combined nutrient addition and warming treatments, bryophytes decreasing most in the meadow, lichens most in the heath. Nutrient addition, and the combined nutrient addition and warming brought rapid decrease in both bryophytes and lichens, while warming had a delayed negative impact. Of sixteen species that were included the statistical analyses, we found significant negative effects on seven species. We show that impact of simulated global change on bryophytes and lichens differ in in time and magnitude among treatments and plant communities. Our results underscore the importance of longer-term studies to improve the quality of climate change models, as short-term studies are poor predictors of longer-term responses of bryophytes and lichens, similar to what have been shown for vascular plants. Species-specific responses may differ in time, and this will likely cause changes in the dominance structures of bryophytes and lichens over time.
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| 9. |
- Aldeborg, Tomas
(author)
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Larmar om elevernas handstil: ”Förstår inte vad du har skrivit” [Radiosändning]
- 2024
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Other publication (sound/speech) (pop. science, debate, etc.)abstract
- Papper och penna håller på att göra comeback i skolsalarna för att undvika AI-fusk bland elever – men då kommer nästa problem.Många skriver så dåligt att lärare fått kalla in elever i efterhand för att tyda svaren på deras prov.Men läraren Tomas Aldeborg som utbildar nya lärare på högskolan i Jönköping har ett annat förslag på att komma runt AI-fusket.
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- Areskoug Josefsson, Kristina, 1973-, et al.
(author)
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Insights from co-reflection [blog post]
- 2020
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Other publication (pop. science, debate, etc.)abstract
- Preamble: Due to the COVID-19 pandemic a scheduled reflective research retreat was reorganized as a digital event in November. Participant were researchers and PhD candidates in a research programme discussing ongoing studies. In one the sessions preliminary findings of a study on outcomes of co-production were elaborated and participants used an electronic survey to share their reflections. This blog reports on some of the insights and co-reflections among retreat participants.
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