Table 5. Total variance explained (extraction method: Principal component analysis).

Factor	Extraction sums of squared loadings			Rotation sums of squared loadings
	Total	% of Variance	Cumulative %	Total	% of Variance	Cumulative %
ET	5.238	43.651	43.651	2.553	21.274	21.274
F2F	1.441	12.011	55.663	2.362	19.687	40.961
PU	1.268	10.570	66.233	2.279	18.995	59.956
TA	0.789	6.577	72.809	1.542	12.853	72.809