TABLE 4.

Differences according to age.

		N	Mean	ST	t	fd	p	d
Negative emotion	Children	312	9.43	1.67	2.174	440	0.030	0.25
	Adolescents	130	9.05	1.69
Happiness	Children	312	26.61	2.59	0.565	226.42	0.572	0.07
	Adolescents	130	26.45	2.79
Serenity	Children	312	14.84	1.93	−0.239	440	0.811	−0.02
	Adolescents	130	14.89	2.09
Friendliness	Children	312	9.48	1.54	1.361	440	0.174	0.13
	Adolescents	130	9.26	1.49
Satisfaction	Children	312	7.51	1.11	0.165	440	0.869	0.01
	Adolescents	130	7.50	1.10