Table 1.

Descriptive statistics for behavioral measures (N = 148).

Variable	Mean	SD	Range	Skewness	Kurtosis
Age	18.51	0.55	17–20	0.81	1.63
Conscientiousness	39.71	5.73	28–54	0.24	−0.26
Neuroticism	33.27	6.90	15–48	−0.15	−0.37
Extraversion	42.46	6.17	26–58	−0.03	−0.16
Openness	41.39	4.77	31–57	0.38	0.27
Agreeableness	42.95	4.62	31–57	0.11	0.21
General intelligence	25.49	5.12	12–36	−0.22	−0.22
Family SES	5.31	1.45	1–9	−0.30	−0.17
Academic performance	540.25	68.97	317–644	−0.60	−0.04

Note: N = number; SD = standard deviation; SES = socioeconomic status.