Table 1.

Marginal means, standard deviations and ‘t’ of sustained and selective attention, working memory, and impulse control scores in Study 1.

	Sustained and selective attention			Working memory			Impulses’ control
	T1	T2		T1	T2		T1	T2
Condition	M (SD; N)	M (SD; N)	t; sig.	M (SD; N)	M (SD; N)	t; sig.	M (SD; N)	M (SD; N)	t; sig.
Natural environment	31.85 (2.74; 75)	32.61 (2.70; 75)	t = 2.45; p = 0.016	15.22 (3.02; 73)	16.38 (3.31; 73)	t = 4.12; p < ( <0.001	16.85 (3.77; 75)	16.79 (3.66; 75)	t = 0.19; p = 0.85
Built environment	31.55 (3.59; 75)	31.77 (3.45; 75)	t = 0.73; p = 0.47	15.42 (3.94; 73)	15.86 (3.27; 73)	t = 1.55; p = 0.12	16.59 (3.46; 75)	16.97 (2.72; 75)	t ( 1.04; p ( =0.30