-collective action the vast majority have only considered successful
-projects like Wikipedia and Linux. The majority of research on
-collective action -- on and offline -- has only considered projects
-that have successfully mobilized. In this sense, most previous
-analyses of collection action have systematically selected on their
-dependent variable. Most of my research treats projects as the unit of
-analysis and collective action as the outcome of interest.
+collective action, the vast majority have only considered projects
+like Wikipedia and Linux that have successfully built communities -- a
+characterization that can be extended to observational work on
+collective action more generally. In this sense, most previous
+analyses have systematically selected on their dependent
+variable. Instead, most of my research treats projects as the unit of
+analysis and collective action as the outcome of interest -- comparing
+the successful examples of collective action to attempts that never
+got off the ground.