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Lorem Ipsum Dolor Spring 2016
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Table 1
Time to complete graphics tasks
Tactile (n = 11) Large print (n = 2)
Mean Total Time 41.2 minutes
Range: 18.2-62.2
18.7 minutes
Range: 16.2-21.2
Mean Bar Graph (3
multiple choice
questions)
9.9 minutes 5.1 minutes
Mean Venn Diagram
(2 multiple choice
questions)
3.6 minutes 1.8 minutes
Mean Shape Rotation
(1 multiple choice
question)
2.0 minutes 0.7 minutes
Mean Geometry (1
multiple choice
question)
5.4 minutes 4.0 minutes
Mean Map (first 3
multiple choice
questions)
20.2 minutes 7.2 minutes
Difficulty ratings of tasks and performance. Table 2 shows the mean difficulty rating
the students gave each task on a scale of 1 to 5 with one being "very easy" and five being "very
hard." The table also shows the percentage of students who answered all the multiple choice
questions correctly for the item. In general, students, both tactile graphic and print graphic users
found the bar graph, Venn diagram, shape rotation, and geometry area question to be relatively
easy (rated on average less than 3). Tactile graphics users, however, found the map task to be
considerably more complex (average rating 3.8; mode of 5). Students who were rated by their
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