From: Evaluation indicators for open-source software: a review
Paper | # Quantification | Indicator Affect Developer | Correlation |
---|---|---|---|
 | Add new features |  |  |
Raymond (1999) | Fix bugs | N.A. | N.A. |
 | Release new versions |  |  |
 |  | Social values |  |
Markus et al. (2000) | N.A. | (Altruism, reputation, | Positive |
 |  | and ideology) |  |
Crowston et al. (2003) | Developer type | N.A. | N.A. |
 | Developer satisfaction |  |  |
 | Developers |  |  |
Crowston et al. (2004) | Bug fixing time | N.A. | N.A. |
 | Project activity |  |  |
Fershtman et al. (2004) | Output of each developer | License | Negative |
 | - | License | Negative |
Subramaniam (2009) | Developer interest | Target audience | Unsureness |
 | Activity level | User interest | Positive |
Garousi (2009) | Developers | N.A. | N.A. |
 | Bug-fixing performance |  |  |
Midha et al. (2012) | Developers (CVS log files) | N.A. | N.A. |
 | - | Project centrality | Positive |
Wu et al. (2007) | Project activity | Project density | Negative |
 | Popularity | Financial support | Positive |
Colazo (2005) | Developers | N.A. | N.A. |
 | and its contribution |  |  |
 | Follower | - | - |
Tsay et al. (2012) | Projects owned | Task focus | Positive |
 | Projects contributed | Work concentration | Positive |
 | Developers |  |  |
Colazo et al. (2009) | Activity level | Copyleft | Positive |
 | Developer permanence |  |  |
 | Development speed |  |  |
 | Project activity |  |  |
Lerner (2005) | Developers | N.A. | N.A. |
 | Bugs or errors |  |  |
Senyard and Michlmayr (2004) | N.A. | Leadership | Positive |
 |  | Communication effectiveness | Positive |
Hata et al. (2015) | N.A. | Documents | Positive |
 |  | Social values | Positive |
 |  | Popularity | Positive |
Fronchetti et al. (2019) | N.A. | Documents | Positive |
 |  | Project age | Positive |
 |  | Program languages | Positive |