Central to students’ actions and motives is the stand to be taken by the workers. For example, Figure 5 is grouped to emphasize the large proportion of salaries below the printers’ national average. Moreover, the workers’ explanations for choosing representative measures and graphical displays emerged from their stand in the dispute. Taking a stand also made students check their methods, arguments, and conclusions with extreme care. They felt it natural to face criticism and counterarguments made by peers and teacher, and to answer them.