Skip to main content
. 2022 Feb 15;11(1):15. doi: 10.1186/s13731-022-00208-5

Table 2.

Cronbach’s coefficient of the final three selfish personalities

Items Scale mean if item deleted Scale variance if item deleted Corrected item-total correlation Cronbach's alpha if item deleted
Narcissism (NAR) alpha = 0.813
 NAR1 11.38 4.861 0.708 0.727
 NAR2 11.41 5.105 0.671 0.746
 NAR3 11.54 4.953 0.631 0.766
 NAR4 11.16 5.670 0.522 0.813
Psychopathy (PSY) alpha = 0.801
 PSY1 5.59 7.072 0.526 0.694
 PSY2 5.85 5.293 0.747 0.624
 PSY3 5.81 4.413 0.714 0.669
Machiavellianism (MAC) alpha = 0.851
 MAC1 7.03 9.368 0.620 0.841
 MAC2 7.55 8.676 0.738 0.791
 MAC3 7.39 9.305 0.670 0.820
 MAC4 7.80 8.937 0.741 0.791

Source: SPSS analysis results