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[Scoring formula research and equivalence evaluation of mandarin quick speech-in-noise test materials in mainland
Objective:
To discuss the scoring formula and evaluate the lists equivalence of Mandarin Quick Speech-in-Noise (M-Quick SIN) test materials in mainland China, and for standardizing our research.
Method:
Double 39 subjects with normal hearing were participated in part one and part two of our experiments, respectively. 20, 18, 15, 13, 10, 8, 5, 3, 0, -2, -5, -7, -10 dB SNR were presented in part one; and 20, 15, 10, 5, 0, -5 dB SNR were presented in part two. The results were analyzed by SPSS 13.0.
Result:
SNR-50 was -2.24 dB SNR and "SNR loss = 24.5--correct words" was defined as the scoring formula. All the 13 lists had the e quivalent difficulty.
Conclusion:
Defined "SNR loss = 24.5--correct words" as the scoring formula of M-Quick SIN, and the 13 lists had better difficulty equivalence, which could be used in our further clinical research.
