Table 4.

Comparing the mean score of interviewing skills and its three domains in each group before and after the intervention

Interviewing skill		Mean (SD)		t	p
		Before	After
Interview beginning	Control	10.07 (1.73)	10.36 (1.49)	-0.69	0.50*
	Intervention	9.64 (1.86)	14.29 (2.70)	-4.87	<0.001*
Interview implementation	Control	17.36 (4.16)	17.36 (3.45)	0.00	0.99*
	Intervention	17.86 (5.48)	27.71 (3.97)	-7.41	<0.001*
Interview termination	Control	6.21 (1.36)	6.21 (1.42)	0.00	0.99*
	Intervention	6.21 (1.57)	12.50 (2.95)	-8.61	<0.001*
Total	Control	33.64 (6.02)	33.93 (5.39)	-0.18	0.85*
	Intervention	33.71 (7.34)	54.50 (8.16)	-9.26	<0.001*

*Paired-sample t test