Table 1.

Two-factor solution's rotated factor loadings, eigenvalues, and variance explained

Item	Factor I	Factor II
Negative affectivitya
(13) I am often down in the dumps	0.83	0.22
(5) I am often irritated	0.81	0.08
(12) I often find myself worrying about something	0.78	0.01
(4) I often feel unhappy	0.78	0.18
(7) I take a gloomy view of things	0.71	0.28
(9) I am often in a bad mood	0.69	0.39
(2) I often make a fuss about unimportant things	0.68	0.02
Social inhibitionb
(10) I am a closed kind person	0.11	0.80
(8) I find it hard to start a conversation	0.16	0.68
(6) I often feel inhibited in social interactions	0.26	0.67
(14) When socializing, I don't find the right thing to talk about	0.24	0.66
(11) I would rather keep other people at a distance	0.20	0.63
(1) I make contact easily when I meet peoplec	-0.03	0.62
(3) I often talk to strangersc	0.22	0.38

^aChronbach's alpha = 0.88, eigenvalue I = 4.19, variance explained = 29.94%; ^bChronbach's alpha = 0.77, eigenvalue II = 1.66, variance explained = 23.02%; ^creverse-keyed.