Table 6. Confusion metrics of the eight English fricatives for the middle school students

Res.	Target
	f	v	θ	ð	s	z	ʃ	ʒ
f	80.3	13.7	39	8.1
v	6.3	68.7		25.3
θ	8.5		26.3	20.2	10.6
ð		8.9	17.5	20.5	7.3	25.4
s			11.6		80.7		6.2
z				23.5		64.7		14.9
ʃ							92.3	7.1
ʒ						8.5		75.5

Note: Confusion percentage lower than 5% is not considered for clarity.