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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Voice. 2012 May 11;26(6):698–705. doi: 10.1016/j.jvoice.2011.09.012

Table III.

Pair-wise comparisons among perturbation measures using the Sidak-Holm method. Asterisks after the p-value indicate statistical significance.

Measure Pairwise comparison Critical level p-value
Jitter (%) Hyperadduction v. abduction 0.017 0.001*
Hyperadduction v. normal adduction 0.025 0.042
Abduction v. normal adduction 0.050 0.132

Shimmer (%) Hyperadduction v. abduction 0.017 <0.001*
Hyperadduction v. normal adduction 0.025 0.051
Abduction v. normal adduction 0.050 0.051

SNR (dB) Hyperadduction v. abduction 0.017 0.004*
Hyperadduction v. normal adduction 0.025 0.024*
Abduction v. normal adduction 0.050 0.407