Sökning: "kilhamn"

Hittade 3 avhandlingar innehållade ordet kilhamn.

1. 1. Making Sense of Negative Numbers

   Författare :Cecilia Kilhamn; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; mathematics education; metaphor; signed number; negative number; number sense; case study; longitudinal; social constructivism;

   Sammanfattning : Numbers are abstract objects that we conceptualize and make sense of through metaphors. When negative numbers appear in school mathematics, some properties of number sense related to natural numbers become contradictory. The metaphors seem to break down, making a transition from intuitive to formal mathematics necessary. LÄS MER

3. 2. B- and T- cell responses in colectomized and healthy individuals after mucosal vaccination

   Författare :Jan Kilhamn; Göteborgs universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; intestinal immunity; antibodies; interferon gamma production; ileostomy fluid; enteric vaccines; mucosal vaccination;

   Sammanfattning : The overall aims were to study the induction of intestinal and systemic B- and T-cell immune responses in patients colectomized due to ulcerative colitis and in healthy volunteers after mucosal administration of enteric vaccines. An inactivated B-subunit whole-cell (B-WC) cholera vaccine and a live attenuated Salmonella enterica serovar Typhi Ty21a vaccine were used as model immunogens. LÄS MER

4. 3. An important part of the whole : The role of metaphors in the teaching and learning of mathematics

   Författare :Johannes Berggren; Iben Christiansen; Kerstin Larsson; Cecilia Kilhamn; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Mathematics Education; matematikämnets didaktik;

   Sammanfattning : This study aims to investigate the role of metaphor in the teaching and learning of mathematics. Two different studies help to fulfil this aim. LÄS MER