TABLE 3.

Descriptive statistics for main study by student selection type.

	Scale	n	Start mean	SD	End mean	SD	t	p	Cohen’s d
Non-selected	WHO-5	338	13.42	5.15	13.68	5.73	−0.99	0.32	0.11
	BUSS	312	38.11	6.70	38.61	6.47	−1.80	0.07	0.20
	CHS	344	21.78	6.30	22.85	6.45	−3.85	<0.01	0.42
Selected	WHO-5	301	11.42	5.54	12.16	6.08	−2.60	0.01	0.30
	BUSS	269	35.04	7.10	35.81	6.08	−2.31	0.02	0.28
	CHS	301	18.70	6.88	20.33	7.09	−4.80	<0.01	0.55