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. Author manuscript; available in PMC: 2013 Sep 9.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2012 Feb 9;8288:828811. doi: 10.1117/12.912223

Figure 2.

Figure 2

Per-session Questionnaire data from Experiment 1 averaged across subjects. Red, green, and blue bars represent the data with fast, medium, and slow frequencies, respectively. Light and dark bars represent the data from the natural-viewing and conflict sessions, respectively. Error bars represent standard errors. The red asterisks indicate pair-wise differences that were statistically significant (Wilcoxon signed rank test, p < 0.05) and blue asterisks difference that were marginally significant (p < 0.10). In question 1, 2, and 4, conflict sessions were more fatiguing than natural-viewing sessions.