Table 5.

The effect of training with surgical preference cards on students’ anxiety and clinical competence after eliminating the effect of pre-test mean scores

Variables			β	SE	t	P-value
State Anxiety	Constant value		0.70	0.26	2.69	0.009
	Mean score of before intervention		0.60	0.12	4.77	< 0.001
	Group	Control	ref
		Intervention	−0.27	0.11	2.40	0.019
Trait Anxiety	Constant value		0.401	0.175	2.286	0.026
	Mean score of before intervention		0.826	0.095	8.719	< 0.001
	Group	Control	ref
		Intervention	−0.255	0.087	−2.921	0.005
Clinical Competence	Constant value		14.369	7.074	2.031	0.047
	Mean score of before intervention		0.868	0.057	15.204	< 0.001
	Group	Control	ref
		Intervention	12.839	1.775	7.232	< 0.001

SE Standard error