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Science and Technology Education

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Browsing Science and Technology Education by Author "Christiansen, Iben Maj."

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    From learner algebraic misconceptions to reflective educator : three cycles of an action research project.
    (2010) Reed, Rosanthia Angeline.; Christiansen, Iben Maj.
    This was a qualitative study carried out with one grade 8 multicultural, multiethnic, mathematics class. This research study began with the idea of finding out whether the learners home language (especially Zulu Xhosa) could be linked to algebraic misconceptions. The 40 learners (participants) in my study had just been introduced to algebra. I chose the school and participants through “convenience sampling”. This made sense since I am an educator at this particular school. I had explained the meaning of the word "variable" in depth. The concepts "like terms" and "unlike terms" had been explained. The index laws for multiplication and division of the same bases had been discussed. It was within this context that the algebra worksheet was given to the learners, in the first cycle. I examined the algebra errors made by the grade 8 learners after marking the worksheets. I linked the errors to past literature on algebraic misconceptions as well as to Bernard's (2002b) error classification list. The conclusion was that the learners were making common errors which were not affected by their home language. I spent time on reflection since the outcome was not exactly what I had anticipated (that is, I had harboured strong suspicions that English second language learners would commit more algebraic errors than the English home language learners). I then considered a possible link between culture and algebraic misconceptions. Videotaped lessons were used for this purpose. However, observations of these videotaped lessons did not produce much data. I honestly could not reach a conclusion. This formed the second cycle of my action research. Prompted by the obvious lack of interaction in the video recordings from my teaching, I changed my focus to what I, the teacher, did during the lessons, and how these actions may or may not have supported some of the algebraic misconceptions. I reflected on my teaching method and recognized the need to change to a more interactive teaching style. I needed to give the learners the space to think for themselves. I would merely facilitate where necessary. In the third cycle, I drew up a set of problems which matched the new teaching style (interactive teaching).The lessons during which the new set of problems were discussed and solved, were videotaped. These videotaped lessons were analyzed and a completely different picture emerged. The learners were absolutely responsive and showed a side of them that I had not seen before! This study came to be an action research study because I went through three cycles of reflecting, planning, acting and observing and then reflecting, re-planning, further implementation, observing and acting etc.
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    The promotion of mathematical proficiency in grade 6 mathematics classes from the uMgungundlovu District in KwaZulu-Natal.
    (2011) Ally, Noor.; Christiansen, Iben Maj.
    The research conducted in this study is inextricably linked to a larger study of teacher quality and student performance in KwaZulu-Natal. The aim of the larger study was to explore and establish the relationship between teachers’ mathematical content knowledge, teachers’ practice and learner outcomes in grade 6 mathematics classrooms. This meant ascertaining teachers’ mathematical content knowledge, teachers’ pedagogical content knowledge and teachers’ practice in mathematics classrooms. Videos of lessons were analysed for the following aspects: content coverage, mathematical proficiencies facilitated by the teacher, cognitive demand on learners and teachers’ content knowledge. The analyses of all aspects were initiated at the same time, with different researchers/post-graduate students coding for separate aspects. In this study, the notion of mathematical proficiency as originally developed by Kilpatrick and colleagues (Kilpatrick, Swafford, & Findell, 2001) was used to ascertain the promotion of the strands in the district of Umgungundlovu of KwaZulu-Natal. Essentially the larger study hoped to establish the prevalence and quality of these strands by viewing video recordings of lessons obtained from schools. This in turn would present a view on mathematics learning in the district. The larger study used random stratified sampling to identify schools after which the necessary ethical approval and clearance was obtained. Mathematics lessons of the identified schools were then video-taped and questionnaires and both teacher and learner tests were conducted. I have not included examples of test questions due to agreements about not reproducing these. However, analysis of the recordings, in my view required the formulation of a construct that would interrogate the extent to which the strands of mathematical proficiency are promoted. This was necessary since the five strands in the original formulation represent ‘goals of mathematical understanding. ’In order to achieve these goals, tangible evidence of teacher classroom practice must be observable. Using opportunities as a vehicle of identification of such practice, the notion was formulated. The analytical framework entrenches the notion of ‘opportunity to develop mathematical proficiency’ as a construct with its corresponding descriptor table and is the main feature of this study. This in turn informed the design of the instrument which reflected the notion introduced and allowed ease of use. The research was not simply finding instances of what the instrument describes, but also trailing the applicability and strength of the instrument and the underlying notion of ‘opportunities to develop mathematical proficiency’. The findings reflect the current state of the promotion of mathematical proficiency. Not only is the quality of the promotion weak it is also irregular. An important off spin of the results is the alignment of these results to many studies including the recent ‘Report on the Annual National Assessments 2011’ issued by the Department of Basic Education. The notion introduced in this study with its corresponding analytic scoring method indeed proved to be a useful key to unravelling the answers to the questions posed. The results and findings give a detailed description to the aspect of mathematical proficiencies facilitated by the teacher, one of the aspects the larger study aimed to explore and establish. In this respect, it also shows the applicability and relevance of the developed theoretical notion and the related instrument.