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(SpringerBriefs in Business Process Management) Learning Analytics Cookbook_ How to Support Learning Processes Through Data Analytics and Visualizatio

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6.4 Cooking 57

as name, type, number of users, average interactions per user, and average usage

time.

Calendar Heatmap

A heatmap is used to blend a calendar with the number of activities performed

(Fig. 6.6). The number of activities per day is displayed such that darker shades

represent more activities performed. The calendar shows the course’s activities for

the full year.

Activity Over Weekdays (Boxplot)

The calendar view in Fig. 6.6 can present the whole year or a single day. The activity

over weekdays in a boxplot provides detailed information about students’ activities.

Figure 6.7 displays each weekday as a box plot containing information on the

number of activities on that day. Unlike the calendar view, the boxplot shows the

distribution of activities on specific weekdays.

Activity Flow

The activity flow analysis shows the coherences and associations between certain

learning objects as a chord diagram (Fig. 6.8). The colorful diagram also shows

where most students navigate within the learning materials. The top left of the chord

diagram has a legend with incoming, outgoing, and both directions. Green incoming

connections and nodes indicate that the selected object was visited from a green node

(i.e., shows what was the previous activity of the student), whereas students navigate

Fig. 6.6 Activity Calendar

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