Vår studie bygger på artiklarna ”Fads, Martingales and Market efficiency” och ”Volume and Autocovariances in Short-Horizon Individual Security Returns” och är ett replikat av dessa. Studiens syfte är att undersöka förhållandet mellan förändringar i aktieomsättningen och veckoavkastningar för enskilda aktier på Stockholmsbörsen..

The aim of this thesis is to study a number of standards and theories, from the two research areas human-computer interaction and psychology, about how a graphical user interface (GUI) should be composed in order to facilitate interaction between humans and computers. Special emphasis is put on how the GUI should take into consideration the strengths and limitations of human cognition and perception. A study of three web catalogues shows how these theories appear when concretised. The following questions are answered in this thesis:What guidelines and styleguides can be found that specify the design of a user-friendly GUI?How do a few library catalogues on the web match a selection of these design principles?The guidelines are extracted from literature concerning human-computer interaction, psychology, automated library systems and web design.

I den här rapporten beskrivs hur elever mellan åtta och tolv år upplever användningen av datorn och Internet i skolan. Genom att studera användningen av Internet med hjälp av intervjuer, deltagande observationer och informella samtal har författaren i den här rapporten valt att utifrån elevernas perspektiv beskriva deras situation. Utifrån den etnografiska studie och de konstruktionistiska teorier författaren gjort utnyttjas sedan erfarenheter från utbildningstiden för att försökta skapa ett koncept om hur ett framtida klassrum skulle kunna komma att se ut. Undersökningar har gjorts om hur information, kunskaper och erfarenheter utbyts i klassrummet och vilken betydelse det har för användningen av Internet. Men även hur elevernas själva utvecklas och skapar sig ett kritiskt tänkande och att lära sig sortera, för dem, relevant information. Jag har även studerat hur lärarens roll förändras och hur det påverkar undervisningskulturen.

Companies and projects often face the challenge of creating something new to increase their competitiveness. In this process of creating something new creativity is an important factor. By using a creative approach and utilizing creative processes new innovations emerges. An industry that has grown in recent years is the computer games industry. Competition is fierce and for the companies to succeed, the product need that extra something to make it stand out among all the produced games.The project manager's role in the creative process and the ability to be creative within a distance based company is not something highlighted by previous research.

Dokumentet är ett resultat av studier gjorda under kursen Kandidatarbete I Datavetenskap. Arbetet utforskade, genom fallstudie, två egenskaper av distribuerade informationssystem och relation mellan dessa: säkerhet och prestanda. Målet med fallstudien har varit att belysa nackdelen med användning av Secure Socker Layer (SSL) dvs. dess effekt på hastigheten och fördelen med SSL, dvs. SSL:s roll i informationssäkerhetsarbetet.

This thesis seeks to investigate how an agreed written form requirement is met in an electronic environment. Swedish Contract law is applied since Sweden lack specific regulation for electronically closed agreements. Since contractual freedom prevails in Swedish law, it is up to the parties themselves to decide if the formal requirements to be applied.In order to assess whether the written requirement is fulfilled in the electronic environment, a purpose-oriented analysis should be made. When the purpose of why a written form requirement applies has been clarified, the analysis continues to assess whether the objective can be achieved with the modern form of communication. The method is called functional equivalence and means that when an electronic media fulfill the same functions as the paper medium so will the electronic medium as a starting point to give the same legal effect as if it were the case of a written paper document.

During the development of microwave based sensors such as radar target seekers, input signals are needed to verify the performance of the system. Therefore, a channel board has been developed by previous thesis projects at Saab Bofors Dynamics. It uses a technique called Digital Radio Frequency Memory (DRFM). The purpose of this board is to sample and digitally store radio frequency signals in order to reconstruct them after a certain delay.The aim of this thesis project was to use the channel board named above to construct a portable instrument for generation of stimuli signals. This assignment has been divided into two tasks: firstly, to construct and put together the hardware components and secondly, to implement a graphical user interface for the instrument.

Denna undersökning syftar till att undersöka och utvärdera den agila projektmetodiken med inriktning på Scrum. Vattenfallsmetoden berörs även med avsikt att tjäna som kontrast till agil projektmetodik och Scrum. Att arbeta utefter en specifik projektmetod eller anamma ett agilt förhållningssätt kan bidra till att rätt produkt utvecklas och att undvika att projektet misslyckas. Undersökningen baseras på tre grundpelare; litteraturstudie, intervjuer och undersökning av befintliga studier. Dessa ligger till grund för de resultat som presenteras och diskuteras i uppsatsen med avsikt att kartlägga förekommande fenomen i projekt bedrivna efter en agil metod. I uppsatsen redogörs för och diskuteras resultatet av bedrivna intervjuer med personer i IT-branschen samt resultatet av befintliga studier utförda på bland annat Microsoft och Adobe Systems.

The study aims to investigate student?s attitudes and experiences of information retrieval on the Internet, as tools for learning. I have been interested of their own views about their own knowledge and experience in the subject, information seeking on the Internet. The focus is on what they perceive as problematic, what skills they consider they have and what needs they have in terms of teaching. Data were collected via questionnaires.

Cloud computing is a new buzzword within the IT-industry, and introduces a whole new way of working with IT. The technique delivers web based services, which results in that the user no longer needs to install an application locally on a computer. Since the application no longer needs to run on a local entity, but in a datacenter located on a service provider, the users no longer need any specific hardware more than a computer with an internet connection. Cloud computing also offers IT-infrastructure and development environments as services, these three service types is better known as cloud services. Through the usage of different types of cloud services, the need for maintenance and hardware is significantly reduced.

In this report you can get a complete instruction about how to build your own development system for the PIC-processor. This card will be used for laborations for the students at LITH-ITN. With this card you can send new assembler codes (new instructions) down to the microprocessor via the Serialport on your computer. Then the new instructions for the microprocessor will start to execute. We made a solder paste stencil at Campus Norrköping solder paste stencil laboratory.

Insufficient intake of vegetables is a reason for micronutrient deficiencies and malnutrition in developing countries. With urbanization, globalization and a growing world population it is of major importance to secure sufficient food supply for the world?s population. Part of the solution to increased food security among the world?s poor could be the introduction of vegetable home gardens, plots for small scale vegetable production which can provide households with sufficient vegetables as well as serve as an extra income source. The study Improving peri-urban home gardens aims at examining the existence of vegetable home gardens in the peri-urban areas of Hyderabad, India.

The purpose is to illustrate the phenomenon of self-harm from a social psychological and sociological perspective. The purpose is furthermore to examine the role social relationships play in the individuals´ self- imagine and what role does identification play for anyone who harm themselves? We want to examine in what way social relationships are important and how they function for individuals who harm themselves, both once they have started to harm themselves, and if the relationships in any part caused the cutting to begin with.Questions:How do individuals shape their identity based on self- harm? Which self-image do individuals have who self-harm? Is there anything in the person's previous social relationships that have caused them to begin to hurt themselves?Method:In this paper we have analyzed five autobiographies. We have used open coding from grounded theory as analytical method and subject positions based on discourse analysis.Theory:We have used the Cooley concepts looking glass self, Foucault's theory of power, Giddens' concept of ontological security and existential anxiety.Results and Analysis:We found six different categories that we thought were central. These were negative self-image, guilt, lack of family support, negative experiences of others' views, the protective identity as self- harmer and insecure social relationships in school.Conclusion:The self-harming is a very complex behavior.

The 1900s saw two incidents of states using their military in civil disorder situations, which resulted in the killing of unarmed citizens. May 14, 1931 in Ådalen, marks a significant part of Swedish history and its view of the use of military force.  On that day, a peaceful protest march escalated, which resulted in live firing by the military stationed there to uphold law and order. This resulted in the deaths of five civilians and the prohibition of the use of military force in incidents of civil disorder. In 1972 in Northern Ireland a similar event took place on January 30, which is commonly known as Bloody Sunday. The Troubles were raging and resulted in protests for civil rights by nationalists.

Kunskapen om TV- och datorspelmissbruk bland ungdomar är idag väldigt begränsad. Stillasittande/fysisk inaktivitet, som TV- och datorspel ofta innebär och som kan innebära negativa konsekvenser, blir allt vanligare. En semistrukturerad intervjustudie har genomförts på sju män i åldersgruppen 17-29 år i syfte att undersöka drivkrafterna bakom mäns spelbeteende i tonåren. Dessutom har information om spelmissbruk bland ungdomar inhämtats av fyra yrkesverksamma inom spelområdet. Detta samt kopplingar mellan TV- och datorspel och spel om pengar har gjorts p g a bristen på forskning om TV- och datorspel.