This study investigates the difficulties that may arise for students as a consequence of differences that exist in mathematics education between different educational systems. The questions asked are when and why difficulties as a consequence of differences in writing or types of student problems may arise and in which way teachers and students attend to these difficulties. The focus is thus on the written parts of mathematics education and the questions are asked within the frame of general upper secondary education.In order to answer these questions, a sociocultural perspective based mainly on Sfard?s (2006) participationist theories together with Vygotsky?s (1999) general theories on development and learning is used. An important analytic tool is the discourse concept which in this context means a type of communication that brings some people together while excluding others from the communication.

Mathematics in preschool - how do preschool teachers make children aware of the matematics around them?.

Mot bakgrunden att matematikresultaten sjunker i svensk skola är det viktigt att lärare använder metoder som bygger på evidensbaserad forskning. Denna systematiska litteraturstudie syftar till att bilda en djupare förståelse för utomhusmatematik genom att undersöka lärares och elevers attityder till metoden, samt om utomhusmatematik finner vetenskapligt stöd och kan rekommenderas som undervisningsmetod.Studiens resultat visar att både elever och lärare överlag ser positivt på utomhusmatematik då metoden bidrar till ett autentiskt lärande. Många lärares uppfattningar är att utomhusmatematik gynnar de yngre eleverna och att geometri och statistik är de delar av matematiken som är lämpligast att ta med utomhus. Utomhusmatematik motsäger kursmålen i alla länder där forskning på temat genomförts och metoden har svagt vetenskapligt stöd, då för få evidensbaserade studier på området utförts..

In 1929, the Scientific Crime Detection Laboratory was established in Chicago?the first of its kind in the United States. The purpose was to engage in practical use of scientific methods in the detection of crime. In 1930, the institute published its own periodical called The American Journal of Police Science. Applying the theory of boundary-work, this essay analyses how the novelty institute argued its legitimacy as a scientific establishment through the expansion of Police Science as a collective field of knowledge.

African Swine Fever (ASF) is one of the most serious transboundary swine diseases because of its high lethality for pigs, socioeconomic consequences, rapid and international spread and the absence of either treatment or vaccine. This Sida Minor Field Study (MFS) was carried out during fall 2010, as part of a larger collaborative research project called ASFUganda, focusing on the epidemiology of the disease in Uganda. The aim with this study was to get more knowledge about the pathology in cases of ASF in Uganda, by studying macroscopic and microscopic lesions in pigs with acute and chronic ASF and to detect the ASF virus (ASFV) in tissues by immunohistochemistry. The pigs were selected from the two different geographical locations in Uganda, Mityana and Gulu district, both with on going confirmed outbreaks of ASF. Necropsies were performed in the field, and the laboratory procedures at the JICA (Japan International Cooperation Agency) Veterinary Pathology Laboratory, Entebbe, Uganda, and at the Department of BVF, SLU, Uppsala, Sweden. Three pigs from an outbreak of ASF in Mityana district showed both the history and the clinical symptoms typical for ASF.

Persson, K., Rooth, P., Sundblad, S. och Uthas, K. (20008). Laborera mera ? Kan ett laborativt arbetssätt i de tidiga skolåren förebygga matematiksvårigheter? (Explore more ? Can difficulties in mathematics be prevented with laboratory work in the early school years?) Högskolan, Kristianstad.

Syftet med detta examensarbete är att undersöka undervisning och lärande under en matematiklektion som präglas av traditionell skolmatematik. Metoden för undersökningen var en deltagande observation av en matematiklektion i åk 3 på gymnasiet. Med hjälp av begreppen matematikens lärandeobjekt, matematiska resurser, eleven som lärande aktör och sociomatematiska normer har jag tolkat de resultat som genererats från observationen. Två slutsatser som kan dras av undersökningen är att eleverna stimuleras till att bli oberoende lärande aktörer i undervisningen av traditionell skolmatematik samt att det i första hand är läraren som synliggör potentiella matematiska resurser för eleverna. Medvetenheten om elevernas användande av matematiska resurser skulle kunna påverka elevernas lärande genom att läraren synliggör matematiska resurser på ett mer medvetet sätt..

The aim is to examine how students with attention difficulties may demonstrate their mathematical understanding through visual representations. A curiosity about how students think about mathematics, national tests and Concepts cartoons has also permeated the study. With help of observations combined with interviews and actively work for a week, the study shows an idea of how visual representations can help students with concentration difficulties to stay focused on their tasks. I chose a selection of pupils to do some mathematical tasks from the national tests which they had not been able to solve before. Now in the form of Concepts cartoons, which I designed, they managed to solve the same mathematics data. In my study treatment and interaction reveals as key pillars for a successful educational work with the students with concentration difficulties. Thus, all pupils who previously have been unable to solve these assignments on the National test were now able to show their mathematical understanding supported by visual representations..

Influenza is a viral infection that affects global health and economy with its endemic and sometimes pandemic spread. Rapid detection of Influenza viruses enables antiviral use and can bring financial savings. It is also essential for the global surveillance of prevalent Influenza strains. RT-PCR is considered the most specific and sensitive method for detection of Influenza, but Influenza mutates at a high rate and it is therefore crucial that RT-PCR methods are updated regularly.In 2014, Cepheid released their Xpert Flu/RSV XC assay, which can detect Influenza A and B and RSV by multiplex RT-PCR in approximately one hour. The aim of this study was to evaluate this assay at Laboratoriemedicin Västernorrland by using the laboratory?s previous PCR assay for detection of Influenza viruses as reference method.Real-time RT-PCR was used to compare Xpert Flu/RSV XC to the reference method.

ABSTRACT: Commercial swab transport systems are used for collection and transporting of fecal and other microbiological samples. This system must maintain viability and contribute to survival of microorganisms during transport to the laboratory. Four swab transport systems have been compared, eSwab, ?- Transwab and fecalSwab, all three with flocked swabs, and Copan Venturi Transystem with rayon swabs. The study followed the recommendations from the Clinical Laboratory Standard Institute; document M40-A for recovery of Samonella, Shigella, Yersinia and Neisseria gonorrhoeae after storage for 0, 6, 24, 48 and 72 h at room- (22-25°C) and refrigerated (2-8ºC) temperature.

Persson, K., Rooth, P., Sundblad, S. och Uthas, K. (20008). Laborera mera ? Kan ett laborativt arbetssätt i de tidiga skolåren förebygga matematiksvårigheter? (Explore more ? Can difficulties in mathematics be prevented with laboratory work in the early school years?) Högskolan, Kristianstad.

The aim of this essay is to examine why and how three teachers who work in elementary classes choose to use ability grouping during math lessons and what they think of ability grouping as a method to individualize the activities according to the pupil?s needs.I chose one main question for this study that is the following:What is the teacher?s point of view and experience of ability grouping in teaching mathematics?And three sub-questions:What are the motives behind the choice of ability grouping?What are the advantages of ability grouping?What are the disadvantages of ability grouping?In order to be able to answer my questions, I used the qualitative method. I interviewed three teachers who work in the elementary classes (First to fifth grade) to find out what they think about ability grouping and how it is experienced in mathematic teaching.The result shows that the common thing between these three teachers is that they don?t use ability grouping as the only teaching method. They all agree that the whole class teaching has many benefits for the pupils.

ABSTRACT: Commercial swab transport systems are used for collection and transporting of fecal and other microbiological samples. This system must maintain viability and contribute to survival of microorganisms during transport to the laboratory. Four swab transport systems have been compared, eSwab, ?- Transwab and fecalSwab, all three with flocked swabs, and Copan Venturi Transystem with rayon swabs. The study followed the recommendations from the Clinical Laboratory Standard Institute; document M40-A for recovery of Samonella, Shigella, Yersinia and Neisseria gonorrhoeae after storage for 0, 6, 24, 48 and 72 h at room- (22-25°C) and refrigerated (2-8ºC) temperature.

The aim of this study was to investigate what formative assessment means and get information about how teachers? assessment practice in formative assessment can look like, based on five key strategies. I have observed five teachers in grade 4 to 6 during a week of their mathematics teaching. Formative assessment is assessment for learning and has the purpose to support students? knowledge development.

Syftet med undersökningen är att få en uppfattning om vilka matematiska aktiviteter som genomförs och kan genomföras under sångstunder på förskolor i Sverige och om de genomförs på ett sätt så att barnen arbetar mot målen i läroplanen. Detta eftersom mycket forskning tyder på att mycket matematikinlärning kan ske under sångstunder/musiklektioner. Teori och forskning säger att musik kan utveckla matematiken hos barn på många olika sätt. Min metod var att observera en sångstund på tre förskolor i en kommun och därefter intervjua förskollärarna som höll i sångstunderna. Resultatet visade att lärarna använde en hel del matematik under sångstunderna som det är, några mer medvetna om det än andra. Det visades även att pedagogerna anser att matematiken passar bra ihop med musik. Jag kan se vilka matematiska och musikaliska aktiviteter som genomfördes. Min önskan är att pedagoger ska ge barnen mycket matematikkunskaper under en sångstund.