Table 7.

Summary statistics for monolingual English-speaking children on measures of phonological error patterns.

Measure	n	M	SD	Min	Q1	Mdn	Q3	Max
Overall
CD	32	0.52	1.50	0.00	0.00	0.00	0.00	5.71
CR	32	18.30	21.29	0.00	3.51	8.56	23.28	71.79
ICD	32	0.76	1.61	0.00	0.00	0.00	0.00	6.25
FCD	32	4.35	5.61	0.00	0.00	2.86	5.45	25.71
Gliding	32	11.89	15.33	0.00	0.00	6.67	17.78	54.55
Stopping	32	13.19	10.11	0.00	5.97	11.35	17.44	38.24
Backing	32	5.86	3.66	0.00	3.11	5.82	7.62	14.44
Fronting	32	4.12	3.67	0.00	1.55	2.81	6.00	13.40
Final devoicing	32	14.41	18.74	0.00	0.00	11.11	22.91	66.67
Disordered
CD	6	1.88	2.91	0.00	0.00	0.00	4.17	5.71
CR	6	33.90	25.94	3.92	14.47	30.88	51.19	70.73
ICD	6	1.01	1.70	0.00	0.00	0.00	1.50	4.08
FCD	6	8.76	9.95	0.00	2.76	4.18	13.20	25.71
Gliding	6	23.54	18.68	0.00	13.07	25.00	26.94	54.55
Stopping	6	24.74	12.44	5.00	19.27	25.88	33.73	38.24
Backing	6	9.22	3.06	6.37	7.37	7.97	10.56	14.43
Fronting	6	8.88	3.94	2.58	7.20	9.03	11.74	13.40
Final devoicing	6	10.65	8.99	0.00	3.12	12.50	15.63	22.22
Typical
CD	26	0.21	0.74	0.00	0.00	0.00	0.00	2.78
CR	26	14.71	18.87	0.00	2.50	7.41	15.99	71.79
ICD	26	0.70	1.62	0.00	0.00	0.00	0.00	6.25
FCD	26	3.33	3.66	0.00	0.00	2.78	5.41	16.13
Gliding	26	9.20	13.48	0.00	0.00	4.74	10.62	53.33
Stopping	26	10.53	7.51	0.00	5.97	9.43	15.46	32.84
Backing	26	5.09	3.38	0.00	2.95	4.63	7.18	14.44
Fronting	26	3.03	2.63	0.00	1.51	2.52	3.13	11.40
Final devoicing	26	15.28	20.37	0.00	0.00	5.56	26.70	66.67

Note. CD = cluster deletion; CR = cluster reduction; ICD = initial consonant deletion; FCD = final consonant deletion.