Table 1.

Descriptive statistics and Test of Equality for baseline and week five measures of gambling beliefs by experimental condition

		Baseline		Week 5		Test of equality
		M	SE	M	SE	t	M diff	SE diff	P
Control	IC	15.50	1.06	12.67	1.06	3.54	2.83	0.80	<0.001*
	IB	20.37	0.87	18.67	0.83	2.34	1.70	0.72	0.011
	PC	27.18	1.01	24.92	1.21	2.97	2.27	0.76	0.002*
	GE	20.25	0.72	18.97	0.83	1.80	1.27	0.70	0.039
	IS	16.92	1.20	15.25	1.25	1.96	1.67	0.86	0.028
	PGBS	27.90	0.90	29.20	0.87	−1.53	−1.31	0.86	0.066
Experimental	IC	14.00	0.99	11.30	1.01	4.17	2.69	0.64	<0.001**
	IB	19.58	0.64	16.53	0.74	4.44	3.06	0.69	<0.001**
	PC	24.89	1.27	20.47	1.12	4.90	4.41	0.90	<0.001**
	GE	19.77	0.65	19.06	0.59	1.34	0.69	0.51	0.092
	IS	16.94	1.23	14.56	1.08	2.88	2.37	0.83	0.003*
	PGBS	28.79	0.80	31.18	0.74	−4.02	−2.39	0.59	<0.001**

Note: Control n = 48, df = 47; Experimental n = 46, df = 45. *P < 0.008, **P < 0.001 (1-tailed).