a weak trendp = 0.11
Post hoc two-tailed (Bonferroni corrected) comparisons confirmed an increase in the SD of estimation errors for low-intensity tones, relative to both intermediate ( t 19 = 4.38, p < 0.001) and high ( t 19 = 5.94, p < 0.001) intensities, and a weak trend toward increased SD in intermediate- compared to high-intensity tones ( t 19 = 1.69, p = 0.11).