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Evaluation ofgroup support is a complex task and its design must be carefully planned in order io produce useful results. Many factors may influence the evaluation design, some of them have been suggested in the literature. However, in a particular evaluation context, additional factors may arise, influencing and even compromising the evaluation design. We argue that preliminay evaluations must be performed before iheyare conducted in a real setting in order to verifi if its design will provide the expecied measurements and results. This paper presents the evaluation process of awareness information resources within sofiware diagrams peer reviews. The paper describes the evaluation context, objectives, plan and design togeiher with the enactmenl of a preliminary case study following this design. From this preliminaiy study, we outline some faciors that arose during its enactment that influenced the refinement of the evaluation design.

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