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1402 Uppsatser om Hypothesis tests - Sida 61 av 94
Påverkar det ekonomiska läget noteringarnas aktiekursutveckling? : En kvantitativ studie av noterade bolag på NASDAQ OMX Stockholm 2000-2010
Inledning: Inom finansmarknaden där en handelsplats för värdepapper finns är IPO ett omtalat ämne. Fascinationen ligger vid introduktionen av ett företag på börsen som tidigare varit privatägd och dess avkastning på aktien. Vidare är prissättningen på aktierna och timingen för en notering intressanta aspekter som har studerats sedan många år tillbaka. I denna uppsats ska det undersökas hur aktiepriserna för de noterade bolag har utvecklats vid olika ekonomiska tillväxter.Syfte: Syftet är att undersöka om det ekonomiska läget påverkar aktiekursernas utfall vid en notering samt hur dessa utvecklas på noteringsdagen och 30 dagar efter noteringen.Metod: Genom beräkningar av introduktionspriserna i jämförelse med stängningskurserna på noteringsdagen och 30 dagar efter noteringen får man fram aktiekursernas utveckling.Teoretisk referensram: Den effektiva marknadshypotesen och signalteorinResultat: Undersökningens resultat visade på att skillnaden i aktiernas avkastning mellan företag som noterat sig under en hög respektive låg ekonomisk tillväxt var mycket liten. Företagen som hade noterat sig under en hög ekonomisk tillväxt hade endast 0,1 % högre avkastning än de företag som noterade sig under en låg ekonomisk tillväxt.
Utvärdering av ett auditivt diskriminationstest på 3-åriga barn
A speech-based material that early can assess a child's hearing is needed to provide an indication of a hearing impaired child's language development. Being able to identify and discriminate between different sounds is a requirement for interpreting speech. Hearing assessments that examine speech perception can therefore, unlike, for example, pure tone audiometry, examine a hearing impaired child's perceptual language skills and provide a basis for intervention.The purpose of this work is to evaluate a new auditory material on 3-year-old children. The auditory material is based on the Ling-6-sounds and the main question was which of the sounds in the test were adequate for test of discrimination. Furthermore, it was investigated how the test works with children aged 3:0?3:11 years and how age and gender affect the result.Twenty-four children aged 3:0?3:11 years were tested using a computer based test.
Inkluderande ?garskap i varierande demokratiska kontexter: En j?mf?rande fallstudie av svenskt utvecklingssamarbete med Rwanda och Tanzania
This thesis investigates how recipient countries' domestic type of democracy affects its
inclusive ownership in international development cooperation. This is done by examining
Swedish development cooperation with Rwanda and Tanzania during the period from 2010 to
2014, a time when ownership - a concept which emphasizes recipient countries' leadership
over its own development - was a central part of the international development agenda. The
two cases were selected through a most similar case design where the value of potential
explanatory variables was similar, except for the recipient countries' types of democracy.
Furthermore, the case study uses a comparative analysis to analyze strategies and reports
done by SIDA and the Swedish Ministry of Foreign Affairs. Previous research focuses on the
exclusion that national ownership can result in, in undemocratic national contexts. The main
argument for this should be seen as the fact that ownership can not be representative if the
power of the recipient's development agenda is limited to a decision-making elite.
På jobbfronten mycket nytt. Hur skuld och gemenskap påverkar utfallet för Försvarsmaktens rekryteringskampanjer.
Since the first of July 2010, military training in Sweden is no longer mandatory. Ever since then the Swedish Armed Forces have needed to attract people interested in serving as soldiers, in new ways. The campaigns for doing so have been much debated and discussed in Swedish media. This thesis tests how an increased presence of guilt and belongingness in the Swedish Armed Forces recruitment campaigns affects young people - how their attitude toward the Swedish Armed Forces possibly changes as well as their intention of applying to military training. Guilt and belongingness were chosen for several reasons.
På ytan av interaktionsdesign : En undersökning om hur designen på en Microsoft Surface SUR40 applikation kan förbättras för flera användare
The purpose of this thesis is to examine and analyze how to improve the design of a Microsoft Surface SUR40 application. The application in focus was an interactive product browser developed by the company Spree, our external client. Spree is a multi-touch software provider, established in September 2010 and they expressed a need for suggestions for how to improve this application. Our work aimed at revealing how to make the application more suitable for several users and make it easier for them to interact simultaneously on the surface. From a qualitative standpoint we have examined how 17 users experienced the application.
Effect of Bacillus mediated priming on different natural genetic variants of Arabidopsis thaliana
In two feeding experiments Bacillus induced priming of plant defense was tested for its effect against the generalist insect pest Spodoptera littoralis. The main hypothesis for the study was that Bacillus induced priming would enable the plant Arabidopsis thaliana to defend itself
better against this insect herbivore since this priming seems to involve jasmonic acid, known to be important for plant defense to insects. A secondary objective of the study was to examine if any differences in a primed defense capability could be seen between different natural genetic variants (ecotypes) of A. thaliana reflecting habitat differences in pest pressure.
The methods used for plant cultivation and Bacillus inoculation were aimed at reflecting conditions that can be expected in an agricultural cropping system. This meant that all plants were cultivated in soil, and the feeding experiments were conducted with the plants growing intact in the soil system.
Spännkraft på bandavskrapare : Utredning och konstruktion
This thesis was performed at Vendig AB which is a company that develops and sells products such as belt scrapers for conveyor. The thesis is divided into two parts, one part where it´s investigated which tension force is required to tighten Vendig AB´s scraper Hampus against the belt in a correct way. The second part is called mechanical design and here a new and more compact tension device is developed.Field studies has been conducted at a couple of Vendig AB´s costumers to get a knowledge base about how Vendig AB´s products are used, how they function and the environment they operate in. During one of the field studies the force between the scraper and the belt was measured. The result from the measurements, together with a report from LKAB [1], were evaluated and summarized in a table.
Entreprenörskap ? Vår tids skolpolitiska filosofi? En ideologikritisk analys av Lpf 94 och Skola 2011
The aim of this Master?s thesis is to examine the ideological currents that have influenced the swedish school system since the 1990's. The background of my interest is the lively debate in schools and media about the new School reform 2011. My hypothesis is that education in 2011 largely will be influenced by neoliberal and neoconservative values.
The method I`ve used is discourse and ideology critique, which examines the relationship between rhetoric and power. These concepts are useful to explain the ideological change in different policy documents and in curricula, for example Lpf 94 and School 2001.
The theoretical framework is based primarily on the neoliberal and the neoconservative agenda, which are two distinct political rationalities in the contemporary postmodern world.
Promotionsarbete med unga i förorten : - En kvalitativ fallstudie av RGRA, Rörelsen gatans röst & ansikte
This studie explores how a promotive youth movement that aims to activate adolescents in economically and socially exposed areas, can affect the youth?s participation in society and oppose their experience of stigmatization. The youth movement, whom is being studied, uses urban art expressions as a mean to engage and motivate the adolescents. The empirism has mostly been collected by a limited participatory observation, and through qualitative interviews with staff and adolescents in the movement. The result has been analyzed through Pierre Bourdieus field theory.
Lärande på hjärnans villkor : En fallstudie av ett antal klasslärares syn på begreppetarbetsminne och arbetsminnesträning
The study's purpose was to get a picture of what a number of class teachers know about and their views on the concept of working memory and working memory training and whether this affects their working and teaching in the classroom. The study is based on qualitative interviews and classroom observations and the theoretical perspectives that the study is based on two: didactic perspective and the socio-cultural perspective. The results of my study show that the class teachers' views and use of the concept of working memory is limited, even if they unknowingly working on parts of it in their teaching. All classroom teachers in my study term difficulties that can arise for students as concentration difficulties, which according to previous research can count towards deficiencies in working memory. All of the respondents in this study believe that it is mostly special education teacher who trains working memory, and that they themselves do not have that knowledge. They also believe that the classroom environment is important for all learning. Common to all respondents consider that the topic is important and would like to have more knowledge of how they can help and support pupils with poor working memory. As a special education teacher and teacher you often meet students who have trouble concentrating, and because of this may be difficult to absorb knowledge as when reading.
Gottgörelse till brottsoffer vid internationella brottmålsdomstolen
The purpose of this essay is to examine and compare the news covering of Swedens three biggest cities (the metropolitan areas) and their surrounding areas with the covering of the rest of the country (the provincial areas) in two daily national newspapers, Aftonbladet and Dagens Nyheter. The aim has been to answer the following questions:- What amount of the news coverage in Aftonbladet and Dagens Nyheter concern the metropolitan areas compared to the provincial areas, and how do these two newspapers differ in the news covering of these areas?- Is there a difference in the news articles size and content, depending on weather they concern the metropolitan or the provincial areas?- How has the balance between news concerning metropolitan and provincial areas changed over the recent 20 years?The theories used in this study are News values, the media commercialization and Popular Journalism, and The Agenda Setting Theory. The method that has been used is a Quantitative Content Analysis.Despite the essays hypothesis, that the news coverage in the two newspapers would be dominated by material from the metropolitan areas, the result showed that a majority of the examined articles concern the provincial areas. It also showed that Aftonbladet has a bigger percentage of provincial news than Dagens Nyheter.
Konkurrensrättens koncernansvar : Moderbolags ansvar för dotterbolags konkurrensbegränsande verskamhet inom så kallade orena koncernstrukturer
The purpose of this essay is to examine and compare the news covering of Swedens three biggest cities (the metropolitan areas) and their surrounding areas with the covering of the rest of the country (the provincial areas) in two daily national newspapers, Aftonbladet and Dagens Nyheter. The aim has been to answer the following questions:- What amount of the news coverage in Aftonbladet and Dagens Nyheter concern the metropolitan areas compared to the provincial areas, and how do these two newspapers differ in the news covering of these areas?- Is there a difference in the news articles size and content, depending on weather they concern the metropolitan or the provincial areas?- How has the balance between news concerning metropolitan and provincial areas changed over the recent 20 years?The theories used in this study are News values, the media commercialization and Popular Journalism, and The Agenda Setting Theory. The method that has been used is a Quantitative Content Analysis.Despite the essays hypothesis, that the news coverage in the two newspapers would be dominated by material from the metropolitan areas, the result showed that a majority of the examined articles concern the provincial areas. It also showed that Aftonbladet has a bigger percentage of provincial news than Dagens Nyheter.
Experimentella och teoretiska uträkningar för skruv- och bäddhållfasthet för takinfästningar mot stålstomme
Lättelement located in Örnskoldsvik AB is one of Sweden's leading companies in the development of building elements in the form of roofs, walls and floors made ??out of light beams. The company has clients from Lund to Kiruna, and from Norway. This means that the elements have high standards when they have to take many different loads from wind and snow due to such wide geographic variation.The roof elements are structured so that the main body is made of light beams with an I?profile.
Soil carbon in small-holder plantain farms, Uganda : a comparison between agroforestry and non-agroforestry
Smallholder farmers in Uganda suffer from declining productivity. With a rapidly increasing population, marginal land is taken into production and the current land
management leads to loss in soil fertility and escalation in soil erosion. There are studies indicating that the use of agroforestry increases soil organic carbon (SOC)
compared to systems without trees. Soils which are high in carbon have many advantages, for example better water holding capacity, which can reduce stress on
crops during drought.
The aim of this study was to determine the effect agroforestry has on SOC concentration in small-holder farming systems in Uganda. The intended system to
study was farms practicing agroforestry methods or not in intercropped plantain (cooking banana) fields.
Klimat för felhantering och Etiskt ledarskap : Felhantering i revision: En undersökning av ett tänkbart samband mellan etiskt ledarskap och felhanteringsklimat.
AbstractFor an audit organization, it is important to work toward maintaininga high error climate to handle errors in an efficient and propermanner. This means that it is important for accountants to worktowards high quality of work, reduce and manage errors that mayoccur in their daily work. Therefore, auditors must know how tohandle errors in order to improve efficiency, which can be affected byhow leadership is exercised in the workplace. The error climatemeans being able to act in a manner which will ensure a good jobtowards customers but also within the internal operations.The ethical leadership may thus have an impact on how auditorshandle the error environment both internally and externally. It is veryimportant for customers to have confidence in the business but also tomaintain the order and the general rules of society for accountingfirms.My study aims to show the thinkable relationship between ethicalleadership and the error climate.