Table 3. Internal consistency (Cronbach's Alpha) of revised two-factor approach Instrument for all items, 10-items of DA and 10-items of SA across the four groups (foundation block, CNS block, medicine and surgery) and all subjects.

Type of curriculum		Cronbach's alpha (95% CI)
	20-items	10 items-(DA)	10 items-(SA)
Foundation block subjects	0.673(0.61,0.73)	0.706(0.64,0.76)	0.738(0.68,0.78)
CNS block subjects	0.713(0.66,0.76)	0.703(0.64,0.76)	0.763(0.71,0.80)
Medicine course subjects	0.704(0.63,0.77)	0.767(0.71,0.82)	0.730(0.66,0.79)
Surgery course subjects	0.711(0.64,0.77)	0.775(0.72,0.82)	0.755(0.69,0.81)
All subjects	0.699(0.67,0.73)	0.737(0.71,0.76)	0.746(0.72,0.77)