Fenneman, A., Sickmann, J., Füllbrunn, S., Goldbach, C., & Pitz, T. (2022). Psychological price perception may exert a weaker effect on purchasing decisions than previously suggested: Results from a large online experiment fail to reproduce either a left-digit or perceptual-fluency effect. PloS one, 17(8), e0270850.

https://doi.org/10.1371/journal.pone.0270850