Table 1 Crowdsourcing application comparison
From: Educational crowdsourcing to support the learning of computer programming
App | Overview | Crowd type | Challenges |
|---|---|---|---|
Stack Overflow | Used to exchange questions and answers in topics of software development and programming. | Wisdom/voting | Unsuitable for novice programmers. Democratic-only assessment of quality. |
Wikipedia | It is a wiki-based web application, which allows people to add, modify, or delete content in collaboration with others. | Wisdom | Scientific assessment to assess credibility of crowd inputs. They are only assessed “democratically.” |
CourseEra | An educational and technological organization that offers free online courses in a wide range of topics to teach millions of students rather than hundreds. | Crowd creation | No long-term engagements for students. No collegiate support. |