표 3 / Table 3 발화조건에 따른 청지각적 분석 결과 / Auditory-perceptual analysis between casual speech and clear speech

Variables N Mean SD Z p-value
Breathiness Casual 15 53.99 22.29 -2.208 .027*
Clear 15 48.25 25.55
Loudness Casual 15 21.16 16.61 -8.437 .000***
Clear 15 39.02 22.55
* p<.05, ** p<.01, *** p<.001