Low sensitivity for orientation in texture similarity ratings.

the right-hand histogram bars in Figure 3 ) were each statistically significant (Wilcoxon signed-rank test; n = 8, T = 0, T crit < 3; p < 0.05) and highly significant when pooled over all comparisons ( n = 32, T = 0; T crit < 94; p < 0.001).

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