Participating in online citizen science: Motivations as the basis for user types and trajectories

Reed, J. T., Cook, R., Raddick, M. J., Carney, K., & Lintott, C. (2013). Participating in online citizen science: Motivations as the basis for user types and trajectories. In Handbook of Human Computation (pp. 695–702). Springer New York. https://doi.org/10.1007/978-1-4614-8806-4_55