Table 5. BFI-44 descriptive statistics.

	Mean (sd)				Cronbach's alpha (mean inter-item correlation)				Test-retest coefficient†
	Study 1a	Study 1b	Study 1c	Study 1d	Study 1a	Study 1b	Study 1c	Study 1d	Study 1a
E	3.21 (.615)	3.23 (.587)	3.27 (.581)	3.15 (.619)	.778 (.307)	.720 (.248)	.770 (.294)	.741 (.262)	.770
A	3.81 (.528)	3.89 (.503)	3.81 (.527)	3.75 (.522)	.735 (.244)	.705 (.222)	.734 (.240)	.698 (.211)	.694
C	3.41 (.546)	3.51 (.581)	3.45 (.601)	3.26 (.566)	.732 (.239)	.780 (.292)	.806 (.319)	.727 (.231)	.737
N	2.92 (.581)	2.93 (.637)	2.94 (.604)	2.96 (.631)	.720 (.242)	.776 (.303)	.754 (.270)	.742 (.267)	.766
O	3.56 (.577)	3.48 (.603)	3.54 (.545)	3.35 (.583)	.785 (.271)	.807 (.294)	.766 (.253)	.737 (.224)	.738

E = extraversion; A = agreeableness; C = conscientiousness; N = neuroticism; O = openness.

Study 1a, N = 235. Study 1b, N = 184 (openness = 183). Study 1c, N = 172 (conscientiousness = 171).

Study 1d, N = 212 (neuroticism = 213).

^†n = 91; all ps < .0005.