Table 5. Descriptive statistics for variables.

Descriptives
Perception
	N	Mean	Std. deviation	Std. error	95% confidence interval for mean		Min	Max
					Lower bound	Upper bound
Junior high school	10	58.10	3,814	1206	55.37	60.83	48	61
Senior high school	10	55.30	2,710	.857	53.36	57.24	51	61
College	10	61.70	5,982	1892	57.42	65.98	54	73
Total	30	58.37	5,000	.913	56.50	60.23	48	73