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. Author manuscript; available in PMC: 2025 Mar 20.
Published in final edited form as: J Voice. 2023 Sep 21;40(1):96–106. doi: 10.1016/j.jvoice.2023.08.016

Table 2.

Intra- and inter-listener reliability for each voice quality

Voice Quality Intra-listener ICCs (2, k), absolute agreement (Mean) Inter-listener ICC (2, k), consistency (95% CI)
Breathiness 0.80–0.92
(0.87)
0.88
(0.82–0.93)
Roughness 0.88–0.96
(0.92)
0.93
(0.89–0.95)
Strain 0.74–0.92
(0.85)
0.69
(0.53–0.81)