TABLE 2.

Means, standard deviation (SD), skewness, and kurtosis.

		IG	GS	RG	EG
Total	Mean	6.11	5.24	5.88	4.28
	SD	0.71	1.39	1.10	1.49
	Skewness	–1.7	–0.80	–1.31	–0.26
	Kurtosis	3.45	0.05	1.90	–0.93
Group 1	Mean	6.04	5.20	5.84	4.13
	SD	0.71	1.35	1.06	1.50
	Skewness	–1.28	–0.79	–1.06	–0.26
	Kurtosis	1.55	0.17	1.00	–0.84
Group 2	Mean	6.22	5.30	5.95	4.50
	SD	1.45	1.15	1.47	1.45
	Skewness	–2.45	–0.83	–1.64	–0.26
	Kurtosis	7.54	–0.04	3.07	–1.15