Table 1.

Student’s t-test for independent samples of pre-test and post-test differences between the experimental group and control group.

	Pre-test			Post-test
	t	p	d	t	p	d
Dangerousness	0.833	0.405	0.127	-3.477	0.001	-0.481
Stereotypes	-1.146	0.252	-0.280	-3.815	0.000	-0.533
Total	-1.069	0.286	-0.165	-3.894	0.000	-0.597