Table 1.

Mean scores and standard deviations, percentages, and correlations between the study variables in Norwegian (n = 1133) and Polish (n = 794) samples

	Variable	Mean (SD)/Percentages, Norwegian sample	Mean (SD)/Percentages, Polish sample	1	2	3	4	5	6	7	8	9	10	11
1	Gendera,b	72.9% females	82.2% females		.10**	−.19**	−.19**	−.13**	−.16**	−.10**	−.27**	−.03	.04	−.06*
2	Age	23.53 (4.55)	21.03 (1.71)	.02		.10**	.06	.01	−.01	−.02	−.04	.11**	−.02	.14**
3	BStAS Wave 1	16.24 (4.83)	17.53 (5.07)	−.15**	−.02		.56**	−.07*	.02	.07*	.34**	.02	.13**	.26**
4	BStAS Wave 2	16.81 (4.87)	16.94 (5.15)	−.12**	.04	.66**		−.01	−.02	.05	.27**	.01	.07*	.19**
5	Extroversion	9.25 (2.82)	8.79 (2.93)	−.12**	−.08*	−.10**	−.10**		−.02	.10**	−.11**	.17**	.03	−.14**
6	Agreeableness	9.71 (2.04)	9.75 (2.2)	−.05	−.02	.03	−.01	.01		.17**	−.11**	.12**	.04	−.05
7	Conscientiousness	10.72 (2.26)	9.94 (2.55)	−.08*	.06	.13**	.13**	.06	.06		−.15**	.01	.13**	.12**
8	Neuroticism	6.88 (2.67)	8.02 (2.74)	−.21**	−.01	.20**	.15**	−.06	−.37**	−.20**		−.04	−.07*	.05
9	Openness	10.15 (2.01)	10.37 (2.1)	−.05	.01	−.03	.01	.34**	−.07*	.08*	.05		−.08*	.07*
10	Time learning at the university classes	22.2 (11.42)	22.51 (11.48)	−.04	.08*	.20**	.20**	−.03	.06	.13**	−.02	−.01		−.18**
11	Time learning outside classes	10.41 (8.44)	14.45 (11.98)	−.06	−.01	.40**	.36**	−.08*	.02	.16**	−.01	−.06	.34**

Note. Above diagonal are results for Norwegian sample, below diagonal are results for Polish sample.

^a0 = women, 1 = men.

^bThe correlation coefficients are point-biserial correlation coefficients.

*p < .05. **p < .01.