Experiment 2 explores the hypothesis that users have … placement task. … [p. 291] The task consisted of two phases. In … The second phase consisted of a "memory test" … [p. 294] Overall, [bimanual vs. unimanual] was highly significant for distance … [between the reference frames] … in the unimanual condition. [the angle between reference frames was 11.2 degrees bimanual and 10.4 degrees unimanual]. … [p. 295] Subjects who performed the Bimanual condition first … [for distance] on the subsequent Unimanual condition compared to those subjects that … [If Unimanual first, Bimanual improved by 7%, Condition X Order significant at p<0.01].
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