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Research today is quite flexible concerning the methodologies in use. It is very common for researchers to use a combination of research methodologies and for this combination to change from one piece of research to another depending upon their research goals, research interest and the theoretical framework. In addition when a theoretical research model is(More)
We present the learning process of a pair of grade 8 students, who learn a topic in elementary probability. The students successfully accomplish a sequence of several tasks without apparent difficulty. When working on a further task, which seems to require only actions they have previously carried out well, they run into difficulty. In order to explain this(More)
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