Chapter 5 170 Table 4. Overview of the open card sorting task with the patients. Each cell shows the number of times the cards got sorted into each category. 5.2.3 Mental model of the therapists Figure 7 shows the mental model of the therapists. The mental model of the therapists has a relatively deep structure (i.e., it contains few groups with many functions per group). In their mental model all functions of the application are roughly divided into three groups or categories: they refer to as settings of the system, information regarding the patients, and information meant for themselves as therapists. The so-called Settings group exists of quite some subcategories, presumable due to its size. 5.2.4 Mental model of the patients Relative to therapists model, the mental model of the patients of the future system has a broad structure: on average patients have formed no less than five groups of functions or categories that all contain relatively few functions. See Figure 8.
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