Table 2.

Results of reliability and validity tests.

Variables	Items	Standardized factor loadings	Cronbach’s α	CR	AVE
Information acquisition	IA1	0.687	0.649	0.795	0.493
	IA2	0.738
	IA3	0.740
	IA4	0.638
Leisure and entertainment	LE1	0.860	0.840	0.904	0.758
	LE2	0.888
	LE3	0.863
Attention obtainment	AO1	0.778	0.927	0.926	0.758
	AO2	0.892
	AO3	0.896
	AO4	0.911
Social interaction	SI1	0.802	0.875	0.914	0.727
	SI2	0.861
	SI3	0.882
	SI4	0.864
Autonomy	AUT1	0.757	0.786	0.865	0.617
	AUT2	0.842
	AUT3	0.740
	AUT4	0.798
Competence	COM1	0.807	0.789	0.859	0.670
	COM2	0.856
	COM3	0.791
Relatedness	REL1	0.839	0.891	0.925	0.754
	REL2	0.880
	REL3	0.868
	REL4	0.885
Attitudinal engagement	AE1	0.772	0.875	0.907	0.618
	AE2	0.823
	AE3	0.795
	AE4	0.813
	AE5	0.791
	AE6	0.719
Continued browsing	CB1	0.771	0.700	0.832	0.623
	CB2	0.833
	CB3	0.762
UGC	UGC1	0.754	0.783	0.861	0.609
	UGC2	0.796
	UGC3	0.717
	UGC4	0.848