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

Table 1

Questionnaire variable design.

Variable	Variable definition	Reference
Reciprocity	Respondents exchange knowledge contribution behaviors in the community	Shen et al. [36]
Group recognition	The trust established by users in the social network and the satisfaction after sharing knowledge promote sharing behavior	Wang et al. [28]
Self-efficacy	Personal confidence in their ability to provide knowledge	Hao et al. [21]
Altruistic beliefs	Contributors choose to answer the questioner’s questions	Gan et al. [35]
Material rewards	An incentive to influential users for their efforts	Atreyi Kankanhalli et al.
Knowledge-sharing willingness	An individual’s judgment of the subjective probability of taking knowledge-sharing behavior, which reflects the individual’s willingness for a specific behavior	Bock and Kim [31]