TABLE 4.

T-test by pre- and post-test questionnaires for both intervention groups – Knowledge.

Group	Test	n	Mean	SD	Difference	t	p (df = 48)	Cohen’s d
Intervention 1	Pre	25	25.14	22.69	6.29	1.00	0.323	0.28
	Post	25	31.43	21.82				Small
Intervention 2	Pre	23	16.15	15.11	10.84	2.08	0.043	0.59
	Post	27	26.98	20.71				Medium

M, mean; SD, standard deviation; t, T-test; p, p-value; df, degrees of freedom.