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Apart from the innovative types of questions, a key feature of the e-Xaminer is question parameterisation. It was required that the system be able to receive as input from the course instructor a skeleton question and produce a series of different questions from it. The process of defining and designing such skeleton questions is the question parameterisation incorporated in the e-Xaminer [12]. In orderto implement this parameterisation, our system employs the concept of Domain Specific Languages or DSL [19]. A skeleton question can hence be defined by its textual parts, a series of parameters that it requires and a rule which is used for assembling the final question. An additional parameterisation for the entire test is question order scrambling, i.e., the randomisation of the order in which the questions in the test of a particular student is arranged. This randomisation may be expanded to the arrangementof sub-questions of a particular question. Two examples of parameterised questions which were used during the past academic year (2005-6) are given below.
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