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. 2022 Aug 18;16(1):302–306. doi: 10.1007/s40617-022-00735-3

Table 1.

Pre- to post-treatment improvements in skill development

	Pretreatment	Postreatment
	M (SD)	M (SD)	t	p	Cohen’s d
Skills Mastered^a	27.8 (15.7)	71.9 (18.9)	12.88	<.001	2.54
Core Target Behaviors^b
Eye Contact	78.3 (24.6)	93.5 (8.1)	3.10	.005	0.83
Imitating Object Use	58.7 (36.3)	94.3 (9.2)	4.81	<.001	1.34
Matching Objects	48.7 (40.1)	86.4 (14.3)	4.72	<.001	1.25
Following Instructions	49.1 (41.2)	89.5 (18.2)	4.79	<.001	1.27

Mastery is considered to be 80% correct response or higher

^aPercentage of assessed skills mastered at pre- and post-treatment

^bPercentage (correct out of 10 trials) at pre- and post-treatment