The literature on online communities has shown that volunteer knowledge curators in open peer-production systems such as Wikipedia are mostly driven by intrinsic motivations, such as their interests in specific areas, which are often shaped by their organizational and ethnic affiliations, hobbies, professional experiences and expertise, and beliefs . For example, Nov  found that enjoyment or having fun was the top motivation for contributing to English Wikipedia. It is noteworthy that these intrinsic motivations could produce both constructive and disruptive behaviors (i.e., trolling and vandalism) toward the community’s objectives .