Table 7.

Internal consistency and test-retest validity of questionnaire domains indices.

Variable	Cronbach's Alpha	Intraclass correlation
Knowledge towards organ donation index	0.90	0.82
Attitudes towards organ donation index	0.67	0.58
Belief towards organ donation index	0.75	0.61
Intention towards organ donation index	0.74	0.74

Note. Cronbach's Alpha acceptable limit: 0.60 to 0.70. Above is most favorable.