Syftet med uppsatsen är att beskriva Tankeverkstad som ett arbetssätt i matematik för skolår 1-2. Syftet är samtidigt att med Tankeverkstad som konkret exempel belysa hur lärare kan utveckla och förändra sin verksamhet. Ett tredje syfte är att med hjälp av Tankeverkstad visa ett exempel på hur lärare kan använda forskning för att utveckla sig i sitt arbete. Studien bygger på litteraturgenomgång och empiriska studier.Ett resultat av undersökningen är att Tankeverkstad är ett undervisningssätt utan läromedel och utan matematiskt symbolspråk från början. Eleverna tillverkar eget materiel och ägnar sig mycket åt problemlösning.

The aim of this report is to examine the possibilities to use network theories to perform vulnerability analysis on complex networks. The scoop of this work is also to improve the possibilities to chart, analyze and present the vulnerability in a power grid. In this report it has been, using power outage statistics, possible to verify, that network theories can be used to evaluate the vulnerability of an infrastructure network. However further studies to establish values on how vulnerable a network is are needed..

Whist is one of the most played card games of the world. Though there have been many studies made in the field of game theory, whist is still somewhat of an unchartered territory. In this thesis some methods to obtain an optimal strategy for whist are discussed. Whist belongs to a group of games called logical games. For this group there exists algorithms which result in an optimal strategy.

Denna litteraturstudie avser att sammanställa och redovisa vetenskapligt granskade artiklar som behandlar skillnader hos elever i matematiksvårigheter och elever i matematik- och lässvårigheter. Studiens resultat visar att matematiksvårigheter och lässvårigheter är beroende av varandra. Resultatet påvisade skillnader hos elever i matematiksvårigheter jämfört med elever i läs- och matematiksvårigheter i deras arbetsminne, fonologiska medvetenhet och problemlösningsförmåga. Det finns även stöd från forskningen att elever i matematik- och lässvårigheter har signifikant sämre resultat i arbetsminne, fonologisk medvetenhet och problemlösningsförmåga..

From 1710 to 1713 the plague raged through the Swedish province of Scania. Other studies have been made on how the disease affected the society during the epidemic. This study tries to focus on the recovery afterwards. How did the population and the farmsteads recover after the plague? Statistics from parish registers and cameral records show interesting patterns in the demography, and that the recovery was far from complete 1720.

The first part of the thesis consists of a brief introduction to the general principles of target detection and the sensor-systems used. In the following part there is a theoretical description of the algorithms this thesis focuses on. The detection algorithms described in this paper are called Cell Average, Ordered Statistics, 2parameter and Gammadetector. Two different discriminators called Extended Fractal Features and Quadratic Gamma Discriminator are also described. The algorithms are tested on three different types of data, simulated SAR-pictures, authentic SAR-targets and IR-pictures.

I mitt examensarbete har jag studerat ämnet matematiksvårigheter. Syftet med arbetet var att få ökad kunskap om matematiksvårigheter samt ta reda på hur läraren kan hjälpa elever med dessa svårigheter. Jag har dels gjort en litteraturstudie och dels en empirisk studie. I min litteraturstudie söker jag fakta som är relevant till mina frågor. Den empiriska studien är gjord i form av intervjuer.

I detta arbete har textuppgifter i fyra vanligt förekommande matematikläroböcker ämnade för gymnasieskolans kurs Matematik A undersökts. Syftet med undersökningen har varit att ta reda på hur dessa uppgifter knyter an till verkligheten. Som undersökningsmetod valdes textanalys med utgångspunkt från ett antal egenformulerade analysfrågor, inspirerade av den litteratur som jag tagit del av. Resultatet av textanalysen visar att det är en förhållandevis liten andel av läroböckernas textuppgifter som har en trovärdig förankring i verkligheten, där endast ett fåtal av dessa beskriver en situationskontext som kan relateras till elevernas verklighet. En viktig slutsats som kan dras av detta resultat är att det finns en konflikt mellan de mål som står skrivet i de nationella styrdokumenten och innehållet i läroböcker som används i matematikundervisningen..

The title of this study came about from the title of Robert Putnams book Bowling Alone, where Putnam mentions that less people are bowling in teams than before. Bowling is still a large leisure activity in the USA but people tend to bowl more and more in small groups and less in organized teams. This study deals with social capital and leisure time. Its aim is to find out if some Swedish people create social capital on their leisure time and also how do they spend their leisure time. Robert Putnams book Bowling Alone serves as main background material along with the work by Bo Rothstein.

This essay is about the question if there is any difference in quality at the homes for the elderly in Skåne, depending on however the home is run by a public organization or private counterpart. The quality of the homes is meet with the help of numbers in ?the guide for the elderly? the facts in the guide are collected and judged by the ?Swedish National Board of Health. The result from the guide is divided into seven areas of quality, and then compared in a statistic test between the different types of organizations. And finally the result of the statistics is put in the context of the theory of New Public Management.

In fisheries, there is a long tradition to use catch data when evaluating changes in the stock and effects from harvesting. It is a common practice to use Catch Per Unit Effort (CPUE) as an index of population size, and several studies have investigated the properties of CPUE in relation to population abundance, spatial distribution and efficiency of gear. In research, catch rate on trap-transects is used as an index of abundance for wildlife species but CPUE is rarely applied as a tool in harvest management.In 1993, more than 60 000 km2 of the state managed mountain range in Sweden was opened to the public for small game hunting, under the responsibility of the county administrative boards in Jämtland, Västerbotten and Norrbotten. The total area is now divided into 332 hunting units (median=73 km2) and an internet based system is used to administer licences and reporting bag statistic. Each hunter has to register the results within two weeks after the hunt.

The purpose of the study is to examine the multilingual student?s use of IT in school.The study also highlights the teacher?s view of development and how they use IT in their own teaching.A qualitative approach study was conducted to acquire a deeper understanding of students' language learning by using IT. In the study, it was assumed socio-cultural perspective in which learning takes place through interaction with others.The result shows that multilingual students have difficulty understanding information available on the internet and they are either waiting to meet a teacher to get a clearer picture of what to do or doing tasks even though in some cases misunderstand the task. Language teachers also confirm student?s impression and at the same time express the concern that students are reading less.This study shows that there may be correlation between students' learning motivation and an understanding of instructions online.

Syftet med studien var att undersöka om en matematisk diagnos kan användas för att bedöma hur likvärdigt betyg sätts. Studien visar att diagnosen indikerar skillnader i likvärdighet som ligger i linje med tidigare forskning. En mer detaljerad undersökning där diagnosen jämförs med nationella prov skulle ge ett säkrare svar angående diagnosens tillförlitlighet.Diagnosens förmåga att förutsäga elevernas betyg i första matematikkursen i gymnasiet var god. Sambandet mellan diagnos och gymnasiebetyg var starkare än sambandet mellan diagnos och grundskolebetyg. Detta kan ha flera orsaker: (i) gymnasielärarna som konstruerat diagnosen har endast tagit med uppgifter som sammanfaller med första? gymnasiekursen, (ii) grundskolor sätter betyg på olika grunder, (iii) elevernas matematikkunskaper förändras över sommarlovet..

This master thesis is the documented work of the construction process and testing of a three hour laboratory session in mathematics aimed at high school level students. The purpose of the thesis was to create an interesting laboratory session for the science education center ?The House of Science? that could be used as a part of their regular program directed to schools. The thesis explores the possibilities for how one can construct a laboratory session on the topic ?molecular symmetry? as well as the underlying pedagogical theories used to describe learning processes in creative contexts.

In health care today at Uppsala County Council the daily work involves spending time at the computer. IT-systems were implemented to support and aid the care givers in their work. Around these systems there is a support organization to support the users in using the system. The aim of this thesis is to investigate this organization in terms of how well it works and how successful it is in helping the users. This has been done by investigating the flow of information trough the organization and by focusing at the role of IT-coordinators with responsibility for support, process development, education and statistics.