Table 2. Mean Scores for Dispositional Flow, Mindfulness, and Confusion Before and After the Yoga Program.

Scale	Construct	Yoga		Control		F-Statistic
		Pre	Post	Pre	Post	Condition	Year	Interaction
DFS-2	Challenge	15.72±2.17	16.19±2.20	16.36±2.77	16.33±2.84	0.17	1.05	0.48
	Merging	12.49±2.45	13.12±2.70	13.44±2.40	13.34±2.81	0.16	0.37	0.22
	Clear Goals	15.72±2.20	16.32±2.36	16.28±2.55	16.10±2.69	1.07	0.49	0.41
	Unambiguous Feedback	14.76±2.38	15.32±2.64	14.79±3.42	14.19±3.92	3.79t	1.07	0.92
	Concentration	13.42±2.76	14.14±2.54	13.72±2.43	13.43±2.67	1.67	0.05	0.89
	Control	13.46±2.62	14.51±2.34	13.84±2.91	14.01±3.24	1.79	1.27	0.47
	Loss of Self-Consciousness	10.34±2.86	12.05±2.92	10.67±3.19	11.28±3.82	1.66	1.06	0.40
	Transformation of Time	13.29±2.67	13.71±2.95	12.09±3.72	12.10±3.29	1.42	0.39	0.50
	Autotelic	15.76±1.88	16.25±2.08	15.74±2.60	15.49±3.02	1.94	2.44	2.86
	Experience Total Flow	124.96±13. 21	131.61±14. 45	126.94±14. 41	126.25±18. 67	4.51*	1.36	0.90
FFMQ	Observing	28.90±4.99	28.75±5.56	27.60±4.86	26.00±5.99	3.29	4.44 *	1.51
	Describing	26.41±6.80	28.19±6.14	28.86±6.10	30.11±6.86	0.01	0.02	0.02
	Awareness (All Years)	26.76±4.22	28.54±4.39	27.29±5.43	27.16±5.43	3.50	2.66	6.42*
		26.20±4.04	28.43±4.56	27.40±6.35	25.80±6.37	8.94**	n/a	n/a
	Awareness (2006)
		27.60±4.44	28.70±4.22	27.20±4.80	28.35±4.29	0.20	n/a	n/a
	Awareness (2007)
	Non-Judging	25.50±7.70	28.76±7.47	26.80±6.52	27.69±7.96	1.84	0.11	0.61
	Non-Reacting	21.28±3.62	21.65±3.28	21.31±4.06	21.22±3.70	0.26	0.19	0.00
	Total Mindfulness	128.85±14.01	135.89±15. 66	131.86±18.74	132.17±20.50	3.68	1.04	1.88
POMS	Confusion	10.00±4.62	7.27±3.26	8.22±5.46	8.80±5.39	4.24*	0.41	0.43

Note: DFS-2 = Dispositional Flow Scale; FFMQ = Five Facet Mindfulness Questionnaire; POMS = Profile of Mood States; n/a = Not Applicable. Means are displayed separately by year for situations in which the results were different between years. t =

p = 0.05;

^*= p < 0.05;

^**= p < 0.01.