Table 2.

The effect of different statistical patterns of input to children during treatment of third-person singular use in terms of generalization to untreated examples.

Treatment events	Clinician 1	Clinician 2	Clinician 3
Clinician input	He [cow] stands.	He [cow] chews grass.	The cow chews grass.
	He [sheep] stands.	He [sheep] stands.	One sheep stands.
	He [donkey] stands.	He [donkey] kicks.	He [donkey] kicks.
	.	.	.
	.	.	.
	.	.	.
	He [duck] stands.	He [duck] swims over.	A duck swims over.
Child forms generalizations (legal and illegal)	He [horse] stands.	He [horse] come.	He [horse] runs.
	He [girl] stands.	He [girl] look.	Her looks.
			The boy runs.
			Baby sleeps.
Child does NOT generalize to…	The boy runs.	He runs.
	Baby sleeps.	Baby sleeps.

Note. The total number of doses from each clinician is 24 recasts containing the target morpheme. Input examples are purposely abbreviated for space considerations.