Change support to maintain quality in learning technology systems
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The quality of learning technology systems can degrade over time due to changes in learners, content and the software environment. This might occur as long-term evolution of the system to adjust the system to environmental changes or as part of short-term adaptation in order to adapt to the learner behaviour and knowledge. We present a quality management framework for changing environments that integrates evolution and adaptation. The framework sees evolution and adaption as two incarnation of change. A key concept is the notion of feedback that causes quality goals such as learning achievement or learner experience to be changed or the need to adjust the system to maintain existing goals. The aim is to support instructors, course designer and platform support in understanding the interaction of evolution and adaptation and to help them in designing, modelling, running and maintaining learning technology systems in order to achieve and maintain the expected quality.