Applied shear stress (dynes/cm ^{2}) | No. of channels tested | No. of channels with towers | Fraction of channels with towers | P values withoutBenjamini Hochberg adjustment | P values withBenjamini Hochberg adjustment |
---|---|---|---|---|---|

0.15 | 31 | 2 | 0.06 | 0.039 | 0.078 |

0.30 | 22 | 0 | 0.00 | 0.005 | 0.014 |

0.45 | 35 | 5 | 0.14 | 0.154 | 0.231 |

0.60 | 18 | 6 | 0.33 | ||

0.75 | 12 | 1 | 0.08 | 0.193 | 0.232 |

0.90 | 18 | 2 | 0.11 | 0.228 | 0.229 |

1.50 | 24 | 0 | 0.00 | 0.004 | 0.014 |

↵a The

*P*value from the Fisher exact test was found to be 0.001, implying that statistically significant differences exist in the frequency of observing towers as a function of applied shear stress. Comparisons of the six other shear stress levels against the level of 0.6 dynes/cm^{2}with and without the Benjamini Hochberg adjustment are shown.