Table 4.

Descriptive statistics: mean, standard deviations (S.D.) skewness, and kurtosis.

	Mean	Std. deviation	Skewness		Kurtosis
	Statistic	Statistic	Statistic	Std. error	Statistic	Std. error
BI	5.175	0.957	−0.613	0.139	0.878	0.276
PU	5.188	1.039	−0.471	0.139	−0.132	0.276
PEoU	5.395	0.845	−0.513	0.139	0.311	0.276
PR	4.385	1.391	−0.476	0.139	−0.696	0.276
SI	5.272	0.999	−0.700	0.139	0.251	0.276
SR	5.232	0.961	−0.340	0.139	−0.384	0.276
TF	5.159	0.949	−0.293	0.139	−0.971	0.276
TM	5.215	1.037	−0.702	0.139	0.342	0.276
TTF	5.215	1.037	−0.702	0.139	0.342	0.276