TABLE 6.

Mann-Whitney U-test for creativity and life satisfaction (pre/post-test), by gender.

	Females/Males
	U de Mann-Whitney	W de Wilcoxon	Z	Sig. Asint. (bilateral)	d	R
Creativity
Pre-test
CREA A	7801.5	10147.5	−0.138	0.890	0.017	0.01
CREA B	6637.5	8983.5	−1.993	0.046*	0.263	0.131
CREA C	7057.5	9403.5	−1.325	0.185	0.249	0.124
Post-test
CREA A	7805	10151	−0.132	0.895	0.032	0.016
CREA B	6626	8972	−2.01	0.044*	0.288	0.142
CREA C	6957.5	9303.5	−1.484	0.138	0.139	0.070
Life Satisfaction
Pre-test
OLS	7294.5	9640.5	−0.973	0.33	0.117	0.058
SWLS	6157	8503	−2.758	0.006*	0.358	0.176
Post-test
OLS	7403	9749	−0.791	0.429	0.103	0.051
SWLS	7267	9613	−0.99	0.322	0.244	0.121

CREA A, B, C = A, B, C CREA test pictures; SWLS (Satisfaction with Life Scale); OLS (Overall Life Satisfaction); U = Mann-Whitney test; Z = standardized value; p = Statistical significance, *p < 0.005; d = Cohen’s d; r = effect size.