Group	Mean		Standard Deviation		t	Sig.
Group	Pre	Post	Pre	Post	t	Sig.
Intervention	16.89	19.18	5.448	5.754	−6.691	0.000*
Control 1	17.88	18.89	4.355	5.494	−3.226	0.001*
Control 2	17.75	18.54	5.068	5.634	−2.513	0.012*