The aim of my study is to investigate how last year students in upper secondary schoolunderstand certain mathematical concepts, in particular the unit circle and its trigonometry.I have used intentional analysis to interpret student?s actions when they solve certain tasks onthe basis of a cognitive, situated and cultural context.Interviews with four university teachers in mathematics about the unit circle, trigonometry,and mathematical understanding, serve both as background for the study and as basis for adiscussion, where I relate students understanding to what the teachers want new students toknow about these concepts when they begin university studies in mathematics.The students were arranged in three groups with three students in each group. Each group waspresented with two tasks, one in which they were asked to calculate the cosine values for onepointed, one blunt and one straight angle, each located in a separate triangle. They were alsoasked to decide whether the points (0,71; 0,71) and d (1 2 , 3 2 ) are located on the unit circleor not.My conclusion is that students mainly have an operational conception of the unit circle andtrigonometry. The lack of structural conceptions result in difficulties in seeing connectionsbetween the concepts in unfamiliar situations.

Då allt fler mobiltelefoner med integrerad digitalkamera sprider ut sig bland allmänheten skapas ökade möjligheter för många människor att spontant kunna fotografera sina omgivningar. Kameratelefonen är dessutom svår att skilja från en vanlig mobiltelefon, vilket gör att en person kanske inte ens vet om att denne blir fotograferad. Genom kameratelefonernas kommunikationsteknik kan sedan dessa bilder enkelt spridas via Internet eller annat medium och nå tusentals mottagare.Den personliga integriteten kan på så sätt hotas av kameratelefonernas användning. Målsättningen med uppsatsen var att undersöka vilken effekt kameratelefoner kan ha på den personliga integriteten samt diskutera hur dessa eventuella effekter kan komma att förändras över tiden, i takt med att allt fler använder kameratelefoner. Uppsatsen genomfördes genom kvalitativa intervjuer med forskare och lektorer från den akademiska världen, journalister, politiker, näringslivsrepresentanter och privatpersoner.

Denna uppsats inleds med en introducerande undersökning där vi finner att mjukvaror för förvaltning av Business Rules inte är använt av många svenska organisationer. Förundersökningen drev oss att undersöka hur Business Rules förvaltas inom svenska organisationer. Först sammanställdes en översikt över de fakta som finns tillhands inom ämnet för Business Rules samt lämpliga sätt att hantera Business Rules. Genom de förberedande studierna identifierades några brister som kan finnas i svenska organisationer som inte använder Business Rules och dessa ledde till en första och övergripande forskningsfråga. Frågan formulerades som följer: Hur förvaltas BR i IS och IT i svenska organisationers dagliga verksamhet? Den har sedan delats upp i sju stycken delfrågor som framställts utifrån problemområdet.

Trots att det görs framsteg inom hård- och mjukvaruutvecklingen, fortsätter problemen med dåligt utnyttjade system. Forskare påpekar att det är viktigt att forska vidare inom området - när informationsteknologi blir eller inte blir accepterat samt när den används inom organisationer. Det är viktigt att de anställda inom organisationen som skall använda systemet, utvecklar en positiv inställning redan från början för att diffusionen, det vill säga den process som innefattar kommunikationen rörande en innovations införande via fastställda kanaler hos medlemmarna i ett socialt system, skall kunna genomföras så effektivt som möjligt. Forskare anser att det fordras mer forskning inom ledningens inverkan vid diffusion, det vill säga den process som innefattar kommunikationen rörande diffusion via fastställda kanaler hos medlemmarna inom ett socialt system. Vi har valt att undersöka hur ledaren anser att denne kommunicerat vid diffusion, hur upplevs denna kommunikation av användaren samt vilka implikationer kan ledarens kommunikation få för användaren? Vi har valt att göra undersökningen hos Länsförsäkringar för att de nyligen infört ett nytt datainformationssystem och haft svårigheter med att få systemet accepterat.

The daily travel, and especially travel between home and work i.e. commuting, is increasing every passing year. More than 90 000 people commute from their home municipality to work in Gothenburg. One of the aims of the regions of Västra Götaland and Halland is to interconnect municipalities and towns within the region, thereby creating growth, faster freight and passenger transports as well as a more attractive business climate. However, while the goal is to create growth, there are several municipalities in the study region with negative ongoing trends.

Serpula lacrymans infestation has become an increasingly common problem, and is usually perceived as a tip of an iceberg.During the 21st century there has been a perceived increase of damage caused by serpula lacrymans, at AB Mats Fransson Saneringstjänst ? Anticimex in the county of Kronoberg. A similar increase has also been noted by employees at the offices in Kalmar, Karlstad, Piteå, Stockholm, Malmö, Söderhamn, Halmstad and Visby.The methods used to collect data for the project has been interviews with a number, for the project, relevant key persons, such as analysis engineers at Trygghansa and Anticimex, as well as personnel at the botanical institution at Gothenburg University and the Botaniska Analysgruppen in Gothenburg, further statistics from SMHI and analyses of reported instances of infestations have been used.The majority of the people interviewed believe that the increase is caused by renovations of old houses, higher precipitation during the summer months, as well as a moister climate and warmer winters. The latter can also be gleaned from statistics from SMHI concerning temperature, precipitation, and relative humidity.Analysed damage reports show that the most common cause for the infestation is ground moisture, even when combined wooden materials.Older houses that where built around 1900 are the ones most frequently infested with serpula lacrymans. The part of the building most frequently infested is the foundation, where cellars and suspended foundation are the most common types to be infested.

This thesis explores the position of book blogs in the literary system through Robert Escarpit's socio-literary model of the book market. Simultaneously the thesis serves as a test for Escarpit's theory: by actively applying his theory and model to a very new and contemporary actor on the book market I hoped to reach or confirm new insights into the usefulness and validity of Escarpit's work for contemporary socio-literary studies.Three book blogs were selected for the analysis and interviews were carried out with the authors. The interview questions were formulated specifically for the purpose of extracting the kind of information necessary for an analysis using Escarpit?s theory. As a complement to the interviews, statistics on the type of books reviewed on the blogs were also compiled.

This paper is about basic set theory and cardinalities for infinite sets. One of the results are that the line R and the plane R2 contains exactly the same number of points. Because of that the set theory is described with a formal language this the paper has an appendix about formal languages..

Theft without break-ins has increased significantly in the last year of swimming, sports and leisure facilities in Karlskrona, more precisely 60%. Vandalism in the shape of graffiti is another common crime. The solutions are divided into social and situational crime prevention. Social crime prevention engage in actions that are based on social causes of crime rather than the opposite situational crime prevention, which instead assumes that discourage with the help of technical solutions and has as primary objective to hinder accessibility for example theft friendly goods. The main purpose of this work is to come up with solutions to prevent these crimes, while also being cost-effective and realistic to implement.

Vi har under året fått larmrapporter om att Sveriges matematikundervisning är undermålig. Enligt Skolverkets statistik får vi också detta bekräftat. Undersökningen avser att ta reda på hur lärare uttrycker sig kring undervisning, elevens självbild och kunskapsbedömning när det gäller att minimera antalet elever som lämnar grundskolan utan betyg i matematik. I denna kvalitativa studie har vi valt att intervjua sex matematiklärare i grundskolans senare år. Med dessa intervjuer vill vi synliggöra tänkbara orsaker till att svenska elever tappar mark när det gäller matematikkunskaper.

The purpose of this study is to investigate how teachers approach communication in their mathematics instruction. The communication involves concepts such as teachers' mathematical language, incorrect answers, and various interaction patterns. In line with this, the study also examines how these types of communication may affect students in the classroom. Furthermore, observations and interviews were conducted with five different teachers in Sweden using an observation scheme and an interview guide. The results reveal that four out of the five teachers use both child-directed and adult-directed language when addressing students at different levels of mathematical understanding.

Syftet med föreliggande studie är att, genom intervjuer med tolv elever ur år fem, undersöka deras uppfattningar om matematik. För att studera detta har vi använt oss av en kvalitativ metod med inspiration av den fenomenografiska ansatsen. Utifrån studiens syfte och frågeställningar har tre temaområden framtagits inom vilka elevernas uppfattningar analyserats och därefter kategoriserats. Ur resultatet framkommer en relativt snäv syn på matematiken där läroboken är dominerande i elevernas uppfattningar. Boken fungerar som utgångspunkt både i definitionen av matematikämnet och vid beskrivningen av hur ämnet upplevs.

Currently, there are no clear statistics on how the floor plan and room size in apartment buildings has changed over time since the postwar period. The statistics available is average area per apartment which can be found on Statistics Sweden's website. This report has the aim to increase knowledge about how the Swedish home have changed over time.The questions that the report will answer are:For apartment buildings, how has the living area been distributed since the postwar period?Why has the area distribution changed over time?A survey of the houses built during 1950-2014 was made before questions could be answered. A case study was also made which a total of 90 apartments were analyzed and divided into three eras, the people´s home, the million programme and the neomodernism.

Theft without break-ins has increased significantly in the last year of swimming, sports and leisure facilities in Karlskrona, more precisely 60%. Vandalism in the shape of graffiti is another common crime. The solutions are divided into social and situational crime prevention. Social crime prevention engage in actions that are based on social causes of crime rather than the opposite situational crime prevention, which instead assumes that discourage with the help of technical solutions and has as primary objective to hinder accessibility for example theft friendly goods. The main purpose of this work is to come up with solutions to prevent these crimes, while also being cost-effective and realistic to implement. The work is important in that it creates safety awareness and promotes a healthy safety culture. Moreover, the future goal is to lower these statistics. The goal of the work is in addition to developing our knowledge of crime subject, was also to provide help and solutions for our clients.

Den här uppsatsen handlar om projektledning av projekt som tar stöd av agila systemutvecklingsmetoder. Från början skapades de agila metoderna, av utvecklarna själva, som ett svar på de traditionella metodernas rigiditet och, i deras mening, övertro på en dokumenterad process. Ordet ?agil? betyder lättrörlig och kärnan i de agila metoderna är att göra utvecklingen mer flexibel och lättare att manövrera. Det finns andra värderingar som är grundläggande i agil systemutveckling som påverkar projektledaren och dennes arbete för ett agilt projekt.