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7117 Uppsatser om General linear mixed model - Sida 23 av 475

Skönhet kommer från Photoshop - En studie om effekter av retuscherade modeller i reklam

There are widespread discussions about the use of retouched models in media, ranging from bloggers to legal decision-makers. Research shows that there are negative psychological effects on especially females being exposed to idealized, retouched model images. The purpose of this paper is to explore the effects of using retouched models in advertising from a marketing perspective, based on attitudes, perceived quality and purchase intentions.Based on theories about attractiveness, halo-effects and social comparison, an experimental study was done, investigating the different responses on above mentioned parameters to advertisements showing either retouched model images or non-retouched model images. Initially it was also tested if the retouched models were seen as more attractive than the non-retouched models. The results showed almost no differences between the reactions to the advertisements with retouched models compared to the advertisements with non-retouched models, when all respondent groups were analyzed together.

Påverkas omsättningstillväxten av en börsnotering? : En kvantitativ studie av företags omsättningstillväxt till följd av en börsnotering på Nasdaq OMX Stockholm

Purpose: The purpose of this study is to examine the relationship between IPO and revenue growth of primary-listed companies on Nasdaq OMX Stockholm. The study is limited to examining the listing?s impact only on sales growth, during a period of seven years.Theoretical Framwork: The theoretical framework applied in the study aims to answer the purpose and research questions. In this study previous research is of great importance.Methodology: The study is based on a quantitative research approach with statistical elements. The study is conducted through the collection of annual reports of listed companies from the database Retriever Business.

Kurslitteraturdilemmat. En undersökning av hur universitetsstudenter söker sig fram till och får tag på sin kurslitteratur.

This master?s thesis investigates in which ways students seek out and access their textbooks and how they use their university?s library in this process. Data is collected through interviews from six students several semesters into their studies at the University of Stockholm. For the interviews two students each were selected from the fields of law, economics and humanities. The empirical findings were analyzed using T.D Wilson?s model of information behavior (1997).

Reducering av ledtider samt framtagande av kalkylmodell

Rimaster Kisa AB is a member of the Rimaster Group, the corporation was bought from Samhall AB in January 2007. The corporation is producing mechanichs needed by the Rimaster group as well for external costumers. Samhall AB is now functioning as a provider of labor for Rimaster Kisa, as the company is hiring personnel from Samhall AB. The company has earlier have had problems with their lead times being far too long. This has resulted in that the management decided to invest in a new edging press.

Environmental variables determining the occurrence of Cladonia parasitica and Hertelidea botryosa, two boreal lichens confined to wood

Biodiversity is essential for human well-being and it is defined as the genetic variation within species and the variety of species and ecosystems. Biodiversity provides several ecosystem services which are necessary for human beings but there are different threats towards the biodiversity. The biodiversity linked to the forest in Sweden are threatened, about 50 % of the red-listed species in Sweden are associated with forests. This is linked to the commercial exploitation of the boreal forest in Sweden which started 200 years ago. The forestry the last 50 years, with clear-cuts, have contributed to a fragmented forest landscape.

Användaracceptans vid systemimplementering.

Användaracceptans är en viktig del i alla systemutvecklingsprojekt och är också en väldigt lättpåverkad variabel för en lyckad implementering. Därför är det viktigt att ha översikt på sådana faktorer som kan påverka användaracceptansen negativt, en sådan faktor är försening. Denna uppsats belyser sammanhanget mellan hur en försening påverkar användaracceptansen. Genom att låta en undersökningsgrupp genomgå en enkät utformad efter Technology Acceptance Model har jag samlat upp en generaliserad åsikt. Resultaten visar att försening som variabel inte påverkar användaracceptansen för fallstudien..

Ståndortsanpassade rabatter: kompositioner med begränsat växturval

Kan man få fram blandrabatter (mixed borders) som i sin växtkomposition fyller en kunds önskemål trots att man ståndortsanpassar växtvalet hårt?  Kundens önskemål kan vara: lättskött, friskt och härdigt växtmaterial, och vilken stil de har tänkt sig att rabatten ska ha..

Utvecklingen av dödsfall till följd av oavsiktlig skada i länder under snabb ekonomisk utveckling

Purpose.The purpose of this essay was formulated as to examine the relationship between the development of deaths caused by unintentional injury and fast economic development in a country. The purpose is to create a picture of the development in the chosen countries.Background.Injuries and the deaths that sometimes follow are a problem for all communities, if nothing else just because of costs and the absence of incomes for the state. Countries ability to restrain these deaths should be of interest. Studies show that the number of deaths causedby unintentional injuries correlates inversely with the GDP/c, we can therefore expect that better economic conditions leads to fewer deaths and vice versa. It has been shown that an economic crisis often leads to considerably higher death rates.

Kreatörers försörjning - En modell för värdeutbyten i de kreativa näringarna

That many creative workers have uncertain and uneven incomes is well-established, but how or why they make a living is not. This paper examines the elusive value exchanges between creatives, buyers, consumers, and other economic supporters, and offers a model of how creatives make a living. By mapping income statistics of Swedish creatives together with in-depth interviews some patterns emerge. This, combined with Bourdieu's theories of social, cultural and symbolic capital, and Knorr's objects of sociality, forms a basis for a structured model of value exchange. The paper shows how creative workers create economic and non-economic capital (capitalization), how they advertise this capital (signaling), and how they convert between different types of capital (conversion) in order to make a living.

Famas och Frenchs två faktorer: proxyvariabler för konkursrisk?

The aim of this study is to examine whether the two factors SMB and HML in the Fama-French Three Factor Model proxy for default risk. The study is based on companies noted on the Stockholm Stock Exchange between 2003 and 2008. These companies are used to create the factors SMB and HML, as well as a default risk factor we call RMS. In a first set of regressions, we examine the explanatory power of the original Fama-French model on a set of portfolios consisting of Swedish companies of different size and book-to-market ratio. The default risk factor RMS is then added to the original Fama-French model.

Konstitutionsutskottet och Regeringskontrollen - En studie av kontrollmaktens utövande i enkammarriksdagen 1971-2007

The purpose of this study is to examine how parliament executes its responsibility of oversight against the government. In Sweden, parliamentary oversight of the government rests with a standing committee of parliament known as the constitutional committee.Drawing on general principal-agent theory I construct a model in which members of the constitutional committee are seen as agents in double and conflicting agency assignments. This constitutes a problem for the agent. Since it is the party group in parliament that controls the fulfilment of the agents? objectives, the agent is presumed to follow the party assignment to the detriment of the parliament assignment.The model generates two hypotheses concerning they type of oversight we should expect the members of the constitutional committee to perform against the government.

Inkluderat eller exkluderat : En kvalitativ studie om att jobba med barn med språkstörning i förskolan

7 % of children in preschool have some sort of language disorder. How should preschool teachers best help these children? In a small special group where they can focus on the child´s individual linguistic development or in an ordinary group were the other children can be linguistic models for the child and help his or hers development?The purpose of this paper is to see what preschool teachers, who work with children who has language impairment, says about working with these children in a special group as compared with working with them in an ordinary group together with children without language impairment. What are the advantages and the disadvantages related to the different ways of working? Another focus point is how the children collaborate with each other.

Tillämpning av en markprofilmodell för hydrologiska beräkningar i avrinningsområdesskala

There is a great need to reduce nutrient leaching from arable land into lakes and oceans. By using several different types of models it has previously been possible to describe nutrient losses in a catchment area with a minimum unit of sub-catchment level. At present, it is instead desirable to model a smaller catchment with an opportunity to re-connect the results to the corresponding fields in the catchment. Such models already exist but they are not fully able to properly describe Swedish conditions and land characteristics in our region.With the approach of creating such a model, SLU has developed a project with this work as its first stage. The model is expected to be created under the working name SWE-model which stands for Soil Water Environment and is in this first stage supposed to apply the SOIL model in catchment scale. During the procedure to describe the first step in the process of developing such a model adapted to Swedish conditions and which works in the catchment scale with an area of about 10-30 km2, focus has been set on calculating the transport of water flow from different hydrological response units. Regardless of the processes occurring in the soil after the water has been added, it is assumed that all the water which flows from each simulated unit is drained.In the first step the hydrologic response units were identified based on land use and soil type in the study area. With the help of a script with functions that retrieve and transform data, certain units were chosen for simulation. The script was also created in this project. Finally, the model results were aggregated and summarized for each unique unit, for each sub-catchment, and also for the whole catchment.From the results it is possible to see similarities in the flow dynamics between modeled and measured data. The efficiency coefficient has been calculated to correspond to the mean of the measured values for the whole simulation period. With an automated calibration process the model should be able to perform better. The volume error gives an indication of overestimation from the model..

Införande av IT-system i slutenvården : En studie vid Lasarettet i Enköping

As the ability to computerize processes and tasks increase, the proliferation of complex systems in our society continues. How these systems are deployed in the organizations where they are meant to be utilized has been shown to have a large impact on how well they function.In January of 2011 the Enköping hospital initiated the deployment of an IT-support for drug management, a module in the general health care system Cambio COSMIC. Other health care providers in the county, and in the rest of Sweden, have had mixed feelings toward the module. Some have outright refused the module, claiming that it is detrimental to patient safety. One of the arguments for deploying the module in Enköping, however, was that it was needed to improve patient safety.The Enköping hospital is considered to be a well organized institution with good leadership and earlier good experiences regarding IT-systems.

Adaptiv temperaturreglering av bostadshus

The control of indoor temperature must be able to handle large time constants and both measureable disturbances like outdoor temperature, and non-measurable disturbances, like waste heat from appliances. Due to cheaper microcontrollers (small computers with designated tasks) with better performance, more advanced and computation-demanding methods for control can be used.In this thesis, Generalized Predictive Control (GPC) has been implemented and tested on a theoretically derived model of a house. GPC states that a model of the system is estimated in every sample, and the control is carried out simultaneously, based on predictions of the model. Disturbances like solar radiation can be estimated and used in the control as well. The control signals are determined by quadratic programming, which makes it possible to consider conditions, for example limitations on the control signals.GPC requires a number of parameters to be defined, like model order and control signal penalty, but is relatively robust for variations in them.

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