Table 4.

ANOVA Test for Sports Competition Rumination and Sport-Specific Achievement Motivation According to Age Among Professional Athletes

	Ages	N	Mean	SD	df	ηₚ²	f	p	Differences
Sports Competition Rumination Total	Ages 13–20 A	333	22.24	5.66	2	0.013	4.415	0.012	B < A, C
	21–30 Years B	236	21.05	5.94	654
	31 and older C	88	22.72	3.18	656
	Total	657	21.88	5.53
Power-Oriented Motivation	Ages 13–20 A	333	44.20	5.62	2	0.032	10.676	0.000	C > B > A
	21–30 Years B	236	45.32	4.10	654
	31 and older C	88	46.82	4.39	656
	Total	657	44.95	5.04
Approach Motivation	Ages 13–20 A	333	66.87	6.22	2	0.037	12.395	0.000	A > B, C
	21–30 Years B	236	64.31	6.05	654
	31 and older C	88	65.60	5.33	656
	Total	657	65.78	6.15
Motivation to Avoid Failure	Ages 13–20 A	333	45.72	3.96	2	0.049	16.976	0.000	A > B, C
	21–30 Years B	236	43.76	4.24	654
	31 and older C	88	44.35	3.88	656
	Total	657	44.83	4.15
Sport-Specific Achievement Motivation	Ages 13–20 A	333	156.81	13.10	2	0.018	5.870	0.003	A > B
	21–30 Years B	236	153.39	11.40	654
	31 and older C	88	156.78	10.82	656
	Total	657	155.58	12.31