Data and materials for the experiments reported in the paper:
Barberia, I., Blanco, F., & Rodríguez-Ferreiro, J. (2020). The more, the merrier: Treatment frequency influences effectiveness perception and further treatment choice. *Psychonomic Bulletin & Review*.
Link to the published paper: https://link.springer.com/article/10.3758/s13423-020-01832-6