. 2019 Dec 31;17(1):276. doi: 10.3390/ijerph17010276

Table 6.

Study of the value of independence between control and experimental groups.

Variables		Group, M (SD)		M₂−M₁	Student’s t		d	r
Variables		Control	Experimental	M₂−M₁	t (df)	p-Value	d	r
Primary education	Motivation	2 (0.89)	2.73 (1.03)	0.73	2.89 (58)	0.005	−0.758	−0.354
	Autonomy	1.9 (0.91)	2.57 (0.88)	0.67	2.55 (58)	0.014	−0.748	−0.351
	Critical	2.2 (0.91)	2.4 (0.88)	0.2	0.85 (58)	0.398	-	-
	Resolution	2.4 (0.95)	2.7 (0.9)	0.3	1.23 (58)	0.223	-	-
	Class time	2.47 (0.88)	2.67 (0.94)	0.2	0.83 (58)	0.408	-	-
	Teacher	1.73 (0.89)	2.97 (0.91)	1.24	5.21 (58)	<0.001	−1.378	−0.567
	Classmates	1.8 (0.65)	3.03 (0.87)	1.23	6.08 (58)	<0.001	−1.602	−0.625
	Content	2.23 (0.84)	2.5 (0.81)	0.32	1.23 (58)	0.224	-	-
	Ratings	2.33 (0.79)	2.57 (0.84)	0.24	1.09 (58)	0.281	-	-
Secondary education	Motivation	1.87 (0.85)	2.66 (0.92)	0.79	3.36 (57)	0.001	−0.892	−0.407
	Autonomy	2.17 (0.9)	3.14 (0.9)	0.97	4.08 (57)	<0.001	−1.078	−0.474
	Critical	2.2 (0.87)	2.48 (0.93)	0.28	1.18 (57)	0.242	-	-
	Resolution	2.53 (0.96)	2.83 (1.02)	0.3	1.12 (57)	0.266	-	-
	Class time	2.33 (0.87)	2.86 (0.94)	0.53	2.21 (57)	0.031	−0.585	−0.281
	Teacher	1.57 (0.76)	3 (0.98)	1.43	6.14 (57)	<0.001	−1.631	−0.632
	Classmates	1.83 (0.73)	3.1 (0.88)	1.27	5.89 (57)	<0.001	−1.571	−0.618
	Content	2.1 (0.83)	2.59 (0.89)	0.49	2.13 (57)	0.038	−0.569	−0.274
	Ratings	2.43 (0.76)	2.55 (0.89)	0.12	0.54 (57)	0.593	-	-

Source: own elaboration. M₁: Mean of the experimental group, M₂: Mean of the control group.