표 2. | Table 2. 집단 별 음운발달 지표 | The Result of phonological developmental index

Age group	PCC M (SD)	PWC M (SD)	PMLU M (SD)	PWP M (SD)
4;0–4;5	95.96 (5.20)	.88 (0.15)	9.83 (0.27)	.98 (0.03)
4;6–4;11	96.73 (5.07)	.90 (0.14)	9.89 (0.22)	.99 (0.02)
T-test (p)	.54 (.59)	.65 (.52)	.85 (.41)	1.30 (.21)

PCC, percentage of correct consonants; PWC, proportion of whole-word correctness; PMLU, phonological mean length of utterance, PWP, proportion of whole-word proximity.