Table 1.

Cronbach’s alpha comparison between original tool and modified tool.

Job satisfaction domains (item codes) (non-classified by reliability order)	Cronbach’s alpha (number of items)		% Difference (absolute value)
	Original tool	Modified tool
Workplace environment (b1a→b1d)	0.88 (5)	0.86 (4)	2.3%
Co-workers (b2a→b2d)	0.93 (5)	0.93 (4)	0%
Personal empathy (b3a→b3c)	0.94 (3)	0.94 (3)	0%
Supervision (b4a→b4c)	0.90 (3)	0.90 (3)	0 %
Salary and allowance (b5a→b5h)	0.95 (8)	0.95 (8)	0%
Training and promotion (b6a→b6f)	0.94 (6)	0.93 (3)	1.1%
Working condition (b7a→b7f)	0.92 (6)	0.91 (5)	1.1%
Discipline and reward (b8a→b8e)	0.97 (5)	0.97 (5)	0%
Overall	0.96 (41)	0.97 (35)	1%