Two systems of knowledge production are identified and addressed by this study: peer review and public review. The peer-review system is defined, its goals are stated, its participants and their roles are identified, and its affordances are summarized. The double-blind journal submission system is examined as an example of peer review. Three…

Digital participatory platforms like Wikipedia are often celebrated as projects that allow anyone to contribute. Any user can sign up and start contributing immediately. Similarly, projects that engage volunteers in the production of scientific knowledge create easy points of entry to make contributions. These low barriers to entry are a hallmark…