Table 5. Differences in person measures between participants not registered, registered SI and registered SSI.

	Number	Mean	SD	F	df	p
Overview	No: 14	1.01	0.98	1.37	2, 146	0.26
	SI: 57	0.89	1.31
	SSI: 78	0.58	1.27
Feelings	No: 13	1.75	2.81	1.10	2, 132	0.34
	SI: 51	1.31	4.16
	SSI: 71	0.40	4.07
Explaining	No: 13	0.55	2.19	2.63	2, 132	0.08
	SI: 51	0.41	2.08
	SSI: 71	1.31	2.31
Fatigue	No: 10	1.79	1.44	2.60	2, 119	0.08
	SI: 42	1.12	1.65
	SSI: 70	0.60	1.87