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Visar resultat 1 - 5 av 7 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Effects of online advertising on children's visual attention and task performance during free and goal-directed internet use : A media psychology approach to children's website interaction and advert distraction

    Författare :Nils Holmberg; Humanistlaboratoriet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; online advertising; children; website interaction; visual attention; distraction; cognitive load; eye-tracking; task-orientation; media effects; visual saliency; executive functions; media literacy; inhibitory control;

    Sammanfattning : This dissertation consists of four eye-tracking studies that investigate how salient online advertising and children's level of executive function contributes to their advert distraction. In Study 1, children aged 9 were instructed to surf freely on the internet while all advert material appearing on-screen was registered. LÄS MER

  2. 2. Modelling Bidding Behaviour in Electricity Auctions : Supply Function Equilibria with Uncertain Demand and Capacity Constraints

    Författare :Pär Holmberg; Nils Gottfries; Chuan-Zhong Li; Mats Bergman; David Newbery; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Business and economics; supply function equilibrium; asymmetry; uniqueness; oligopoly; capacity constraint; uniform-price auction; pay-as-bid auction; discriminatory auction; wholesale electricity market; Ekonomi; Business and economics; Ekonomi;

    Sammanfattning : In most electricity markets, producers submit supply functions to a procurement uniform-price auction under uncertainty before demand has been realized. In the Supply Function Equilibrium (SFE), every producer commits to the supply function that maximises his expected profit given the bids of competitors. LÄS MER

  3. 3. Models and Methods for Costly Global Optimization and Military Decision Support Systems

    Författare :Nils-Hassan Quttineh; Kaj Holmberg; Torbjörn Larsson; Kevin Wood; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The thesis consists of five papers. The first three deal with topics within costly global optimization and the last two concern military decision support systems. LÄS MER

  4. 4. Genetic analysis of murine malaria

    Författare :Susana Campino; Dan Holmberg; Nils Lycke; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Genetics; Malaria; genetic analysis; Plasmodium; wild derived inbred strains; loci; cerebral malaria; hyperparasitaemia.; Genetik; Clinical genetics; Klinisk genetik; genetik; Genetics;

    Sammanfattning : Malaria, an infectious disease caused by Plasmodium parasites, is one of the major world-scale health problems. Despite the efforts aimed at finding an effective way to control the disease, the success has been thwarted by the emergence of parasite drug resistance and mosquito resistance to insecticides. LÄS MER

  5. 5. Den anfrätta stammen : Nils von Hofsten, eugeniken och steriliseringarna 1909-1963

    Författare :Maria Björkman; Tora Holmberg; Linköpings universitet; []
    Nyckelord :History of science; history of eugenics; social networks; gender contract; biopolitics; biopower; masculinity; expertise; Vetenskapshistoria; eugenikhistoria; sociala nätverk; maskulinitet genus kontrakt; biopolitik; biomakt; expertis; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP;

    Sammanfattning : Zoologen Nils von Hofsten (1881-1967) var en av de mest inflytelserika personerna i Sverige på områdena eugenik och steriliseringar. I denna avhandling belyses detta inflytande, som sträckte sig över närmare femtio år. LÄS MER