Search for dissertations about: "Kerstin Pettersson"

Showing result 1 - 5 of 11 swedish dissertations containing the words Kerstin Pettersson.

  2. 1. Students' understandings of multiplication

    Author : Kerstin Larsson; Kerstin Pettersson; Paul Andrews; Lieven Verschaffel; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Multiplication; students’ understanding; connections; multiplicative reasoning; models for multiplication; calculations; arithmetical properties; matematikämnets didaktik; Mathematics Education;

    Abstract : Multiplicative reasoning permeates many mathematical topics, for example fractions and functions. Hence there is consensus on the importance of acquiring multiplicative reasoning. READ MORE

  4. 2. Strong n-generators in some one-dimensional domains

    Author : Kerstin Pettersson; Daniel D Anderson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; MATHEMATICS; MATEMATIK; matematik; Mathematics;

    Abstract : Let R be a commutative Noetherian one-dimensional domain such that each ideal in R can be generated by n elements. A strong n-generator in R is an element r which can be chosen as one of n generators for each ideal in which it is contained. READ MORE

  5. 3. Risk of hearing loss from combined exposure to hand-arm vibrations and noise

    Author : Hans Pettersson; Lage Burström; Tohr Nilsson; Kerstin Persson Waye; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Hearing loss; noise; hand-arm vibration; combined exposure; vibration induced white fingers; Raynaud s phenomenon; Occupational and Environmental Medicine; arbets- och miljömedicin;

    Abstract : Hearing loss from noise exposure is one of the most common occupational injuries, and exposure to vibrations may increase the risk of noise-induced hearing loss. Earlier cross-sectional and longitudinal studies found an increased risk of noise-induced hearing loss among workers with vibration-induced white fingers (VWF) symptoms compared to workers without such symptoms. READ MORE

  6. 4. Individualized Mathematics Instruction for Adults : The Prison Education Context

    Author : Linda Marie Ahl; Kerstin Pettersson; Paola Valero; Lena Lindenskov; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Individualized Instruction; Mathematics; Prison Education; Adults; Tutoring; matematikämnets didaktik; Mathematics Education;

    Abstract : Individualized instruction tailors content, instructional technology, and pace to the abilities and interests of each student. Carrying out individualized instruction for adults returning to mathematics after some years away from schooling entail special challenges. READ MORE

  7. 5. Obstacles to students' learning of the limit concept : A comparative study

    Author : Abraham Kumsa Beyene; Kerstin Pettersson; Iben Christiansen; Juter Kristina; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Obstacles; limit; calculus; case study; comparative study; upper secondary; Mathematics Education; matematikämnets didaktik;

    Abstract : This thesis explores obstacles to students’ learning of the limit of a function as students learn the concept in post-compulsory schools in two culturally different contexts, namely Sweden and Ethiopia. The study investigates obstacles to students’ learning of the intuitive limit concept (the limit concept that is based on the intuitive definition) taught in upper secondary schools of these two contexts and characterises the nature of these obstacles. READ MORE