Table 2.

Overall Assessment of the Speaker’s Experience of Stuttering-Adults—comparing IBSR intervention with the control group.

OASES-A Section	Time	Group						Time Factor (within Groups)	Time × Group Interaction (between Groups) *
		Control			Intervention
		Mean	SD	p-Value	Mean	SD	p-Value	p-Value	p-Value
I. General Information	T1	2.7	0.07	-	3.13	0.09	-
	T2	2.63	0.08	-	2.38	0.11	-	----	----
	T3	2.7	0.1	-	2.31	0.11	-
	T1–T2	0.06	0.06	0.641	0.75	0.09	<0.001	<0.001	<0.001
	T1–T3	0	0.07	1	0.82	0.1	<0.001	(0.437 **)	(0.404 **)
	T2–T3	−0.06	0.05	0.491	0.07	0.07	0.683
II. Reactions to Stuttering	T1	2.8	0.13	-	3.26	0.11	-
	T2	2.66	0.12	-	2.46	0.12	-	----	----
	T3	2.67	0.13	-	2.46	0.13	-
	T1–T2	0.14	0.06	0.072	0.8	0.11	<0.001	<0.001	<0.001
	T1–T3	0.13	0.06	0.076	0.8	0.11	<0.001	(0.471 **)	(0.311 **)
	T2–T3	−0.01	0.05	0.999	0	0.07	1
III. Daily Communication	T1	2.43	0.13	-	2.88	0.09	-
	T2	2.39	0.11	-	2.26	0.12	-	----	----
	T3	2.49	0.13	-	2.31	0.13	-
	T1–T2	0.03	0.06	0.943	0.61	0.1	<0.001	<0.001	<0.001
	T1–T3	−0.06	0.06	0.7	0.57	0.11	<0.001	(0.269 **)	(0.283 **)
	T2–T3	−0.1	0.04	0.111	−0.04	0.05	0.821
IV. Quality of Life	T1	2.55	0.16	-	3.05	0.11	-
	T2	2.32	0.14	-	2.1	0.13	-	----	----
	T3 T1–T2	2.34 0.23	0.14 0.11	0.109	2.12 0.95	0.15 0.12	- <0.001	<0.001	<0.001
	T1–T3	0.21	0.08	0.056	0.93	0.13	<0.001	(0.482 **)	(0.261 **)
	T2–T3	−0.02	0.05	0.969	−0.02	0.06	0.98
Total Score	T1	2.63	0.55	-	3.09	0.42	-
	T2	2.5	0.5	-	2.3	0.57	-	----	----
	T3	2.54	0.54	-	2.3	0.61	-
	T1–T2	0.13	0.05	0.089	0.78	0.09	<0.001	0.358	0.001
	T1–T3	0.08	0.05	0.262	0.78	0.1	<0.001	(0.017 **)	(0.201 **)
	T2–T3	−0.04	0.03	0.34	0	0.05	1

OASES-A = Overall Assessment of the Speaker’s Experience of Stuttering-Adults. * RM-ANOVA/ANCOVA = Two-Way Repeated Measures ANOVA/ANCOVA. ** Partial Eta Squared (Effect Size).