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Software cost estimation techniques are used to provide a useful measure of the complexities, efforts, and costs involved in system development. Despite three decades of research on software cost estimation, the research community has yet to provide a viable model for End-User Development (EUD) environments. This is both surprising and significant as EUD(More)
Socio-cultural theories of language learning examine the impact of social interaction within cultural environments upon cognitive development and learner performance. Such theories emphasise the emergence of learner strategies and subsequent proficiency through involvement in continuously unravelling situated activities. However, this view is rarely(More)
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