Table 3.

Mean, standard deviation and t-test statistics for experimental and control group and for boys and girls on physics tests.

	E		C
	Ma (SD)	n	Ma (SD)	n	t	d	p	CI 95%
Test1	65.75 (19.35)	20	65.44 (21.98)	57	−0.056	0.01	0.955	(−11.36|10.74)
Test2	46.41 (16.63)	18	46.62 (13.98)	50	0.051	0.01	0.960	(−7.87|8.28)
Test3	97.22 (4.04)	18	91.09 (16.10)	43	−2.330	0.52	0.024	(−11.42|−0.85)
	Girls		Boys
	Ma (SD)	n	Ma (SD)	n	t	d	p	CI 95%
Test1	62.00 (20.87)	30	66.13 (20.52)	31	0.779	0.19	0.439	(−6.48|14.73)
Test2	47.07 (12.62)	27	46.15 (16.74)	32	−0.233	0.06	0.817	(−8.76|6.94)
Test3	96.47 (5.86)	26	90.48 (16.62)	28	−0.375	0.48	0.082	(−12.80|0.80)

E, experimental group; C, control group; d, Cohen’s d.

^aTotal test score = 100%.