With the increasing provenance of hedonic and social information systems, systems are
observed to employ other forms of feedback and design than purely informational in order to …

Peer and self-assessment offer an opportunity to scale both assessment and learning to
global classrooms. This article reports our experiences with two iterations of the first large …

Blockchain technologies have generated enthusiasm, yet their potential to enable new forms
of governance remains largely unexplored. Two confronting standpoints dominate the …

Self-assessment and peer-assessment are strategies employed to encourage students to
take more responsibility for the learning process. Although the advantages are not obvious …

Background: Collaborative writing applications (eg, wikis and Google Documents) hold the
potential to improve the use of evidence in both public health and health care. The rapid rise …

Billions of people participate in online social activities. Most users participate as readers of
discussion boards, searchers of blog posts, or viewers of photos. A fraction of users become …

This study introduces the concept of social media self-efficacy, or a person's perceived
ability to reach desired outcomes in the social media environment, and examines the …

Micro-task platforms provide massively parallel, on-demand labor. However, it can be
difficult to reliably achieve high-quality work because online workers may behave …

Online citizen science offers a low-cost way to strengthen the infrastructure for scientific
research and engage members of the public in science. As the sustainability of online citizen …

In recent years we have witnessed a significant growth of social‐computing communities—
online services in which users share information in various forms. As content contributions …