The Sustainability of Knowledge-Sharing Behavior Based on the Theory of Planned Behavior in Q&A Social Network Community

Table 5

Reliability analysis of each variable.

Variable	Number of items	Cronbach α’s coefficient
Material rewards	6	0.895
Knowledge-sharing willingness	4	0.817
Group recognition	3	0.797
Self-efficacy	3	0.820
Reciprocity	2	0.786
Altruistic beliefs	2	0.690