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FIGURE 12.9
Aggregate mouse controls for all users show striking differences in the paths covered by
different groups: (1) adults, (2) 5-year olds, and (3) 4-year olds (Hourcade et al., 2004).
From Hourcade, J.P., Bederson, B.B., Druin, A., Guimbretière, F., 2004. Differences in pointing task
performance between preschool children and adults using mice. ACM Transactions on Computer-Human
Interaction 11 (4), 357–386.
(Continued)
