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. Author manuscript; available in PMC: 2010 Jun 11.
Published in final edited form as: J Exp Psychol Learn Mem Cogn. 2008 May;34(3):602–615. doi: 10.1037/0278-7393.34.3.602

Figure 4.

Figure 4

A: Example of condition in which the objects are drifting in the same direction and Analysis 2 would show larger position error than angular separation error. Participant is off by 8° in a clockwise direction for both the pipe and the tripod. The adjusted linear error scores for the objects are + 8 and + 8. The angular separation error score for the two objects will be 0 (8 – 8), and the position error score will be 16 (8 + 8). (For clarity, the adjusted linear error scores in the figure represent error accruing over Turn 1. For subsequent turns, each object's linear error score was adjusted: calculated against indicated location for that object on the previous turn, not against actual object location.) B: Example of condition in which the objects are drifting in opposite directions and Analysis 2 would show larger angular separation error than position error. Participant is off by 8° in a clockwise direction for the pipe and 8° in a counterclockwise direction for the tripod. The adjusted linear error scores for the objects are + 8 and –8, respectively. The angular separation error score for the two objects will be 16 [8 – (–8)], and the position error score will be 0 [(8 + (–8)].