Sökning: "Strömdahl"
Visar resultat 1 - 5 av 9 avhandlingar innehållade ordet Strömdahl.
1. HIV preventive interventions, sampling methods and sexual risk behaviour among men who have sex with men
Sammanfattning : Background: Gay, bisexual and other men who have sex with men (MSM) are at high risk of HIV globally. HIV rates among MSM in Europe show increasing trends, in contrast to declining trends in the general population. During the last five years, an increase in reported HIV cases among foreign-born MSM have been observed in Sweden. LÄS MER
2. Antibiotic use among children in low- and middle-income countries : Studies on global trends, and contextual determinants of antibiotic prescribing in Eastern Uganda
Sammanfattning : This thesis aimed to systematically map trends in reported antibiotic use (RAU) among sick under-five children across low- and middle-income countries (LMICs) in 2005-2017, and, to understand the contextual determinants of antibiotic prescribing in Eastern Uganda. Based on 132 national surveys from 73 LMICs, and using Bayesian linear regression models, trends in RAU among sick under-five children (with symptoms of fever, diarrhoea or cough with fast/difficult breathing) across LMICs in 2005-2017 were mapped by WHO region, World Bank country income group, symptom complaint (Study-I), and by the following user characteristics: rural/urban residence, maternal education, household wealth and source of care (Study-II). LÄS MER
3. Learning Chemistry at the University level : Student attitudes, motivation, and design of the learning environment
Sammanfattning : The main purpose of the research this thesis is based upon was to study students’ attitudes towards learning chemistry at university level and their motivation from three perspectives. How can students’ attitudes towards learning chemistry be assessed? How can these attitudes be changed? How are learning situations experienced by students with different attitude positions? An attitude questionnaire, assessing views of knowledge, learning assessments, laboratory activities, and perceived roles of instructors and student, was used to estimate students’ attitude positions. LÄS MER
4. Models in chemistry education : A study of teaching and learning acids and bases in Swedish upper secondary schools
Sammanfattning : This thesis reports an investigation of how acid-base models are taught and understood in Swedish upper secondary school. The definition of the concepts of acids and bases has evolved from a phenomenological level to an abstract (particle) level. Several models of acids and bases are introduced in Swedish secondary school. LÄS MER
5. Den laborativa klassrumsverksamhetens interaktioner : En studie om vilket meningsskapande år 7-elever kan erbjudas i möten med den laborativa verksamhetens instruktioner, artefakter och språk inom elementär ellära, samt om lärares didaktiska handlingsmönster i dessa möten
Sammanfattning : This thesis studies students’ encounters with school science language games within the framework of laboratory classroom activities in Elementary Electricity. The focus is on students’ interaction with the teacher and with other students as well as with artefacts. LÄS MER
