. 2007 Oct 2;184(3):363–370. doi: 10.1007/s00221-007-1105-y

Table 1.

Main and interaction effects of group (between-subject factor, two levels: CP and TD children) and condition (within-subject factor, three levels: EO, EC and FB) on mean sway amplitude (r_mean), sway path of the conventional posturogram (SP), sway path of the normalised posturogram (SP_n) and sample entropy (SEn)

	Group			Condition			Interaction
	F_{(1, 16)}^a	P-value	ε²_p	F_{(2, 32)}^a	P-value	ε²_p	F_{(2, 32)}^a	P-value	ε²_p
r_mean	4.01	0.062	0.20	1.35	ns	0.08	1.11	ns	0.06
SP	1.86	ns	0.10	0.13	ns	0.01	0.13	ns	0.01
SP_n	11.11	<0.005	0.41	5.12	<0.02	0.24	2.04	ns	0.11
SEn	13.49	<0.005	0.46	5.53	<0.01	0.26	3.23	0.056	0.17

ns not significant

^aIn case the assumption of sphericity was violated, the number of degrees of freedom was adjusted using the Huynh–Feldt method (corrected degrees of freedom are not listed here)