Subjects [15 subjects with mouse experience] performed two types of steering tasks: … There was a significant effect of device ( … , p<.0001) upon steering time. Mean steering time … milliseconds for linear steering and 2532, 2193, 4092, … Least square means comparison (t-tests) showed that the … other devices significantly (p<.0001). The trackpoint significantly outperformed … was insignificant.
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