TABLE 1.

Participant and experimental characteristics

Participant characteristics				Experimental characteristics
Gender	Age (years; months)	GFTA-2	Phonemes excluded	Neighborhood structure	Word frequency	Baselines	Treated sound
M	3;5	73	f v θ ð s z ʃ ʧ ʤ l r h	Dense	Frequent	3	s
F	4;8	61	ŋ θ ð ʃ ʧ ʤ l r	Dense	Frequent	4	r
F	3;0	70	f v θ ð l w j	Dense	Infrequent	2	f
F	4;7	72	ŋ k g θ ð l r	Dense	Infrequent	3	r
F	3;0	53	ŋ p t k g f v θ ð s z ʃ ʧ ʤ l r	Sparse	Frequent	2	f
M	5;5	52	ŋ k g θ ð ʃ ʧ l r	Sparse	Frequent	3	l
M	3;11	69	ŋ v θ ð ʃ ʧ ʤ l r j h	Sparse	Infrequent	2	l
F	4;0	74	f v θ D s z ʃ ʧ ʤ r	Sparse	Infrequent	3	s

NOTE: GFTA-2=Goldman-Fristoe Test of Articulation–2 (Goldman & Fristoe, 2000) standard score.