If the Evaluation Study is an Controlled Experiment is performed the Process Executor must have full control over
the environment and the activities to be performed during the evaluation.
If the Evaluation Study is a Survey the evaluation can be totally online, not requiring control over the environment.
If Evaluation Study is a Case Study, the Process Executor must be present for realize the observations and annotations
referents the tasks which shall be carried out by the participants during the evaluation.
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