The hardware and bandwidth for this mirror is donated by dogado GmbH, the Webhosting and Full Service-Cloud Provider. Check out our Wordpress Tutorial.
If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]dogado.de.

To cite statuser in publications, please use:

Simonsohn U (2018). “Two lines: A valid alternative to the invalid testing of U-shaped relationships with quadratic regressions.” Advances in Methods and Practices in Psychological Science, 1(4), 538–555. doi:10.1177/2515245918805755.

Simonsohn U (2024). “Interacting with curves: How to validly test and probe interactions in the real (nonlinear) world.” Advances in Methods and Practices in Psychological Science, 7(1). doi:10.1177/25152459231207787.

Montealegre D, Simonsohn U (2026). “Johnson Neyman 2.0.” Working paper.

Simonsohn U, Montealegre A, Evangelidis I (2025). “Stimulus sampling reimagined: Designing experiments with mix-and-match, analyzing results with stimulus plots.” Journal of Personality and Social Psychology, 129(1), 71–90. doi:10.1037/pspa0000449.

Corresponding BibTeX entries:

  @Article{,
    title = {Two lines: A valid alternative to the invalid testing of
      U-shaped relationships with quadratic regressions},
    author = {Uri Simonsohn},
    journal = {Advances in Methods and Practices in Psychological
      Science},
    year = {2018},
    volume = {1},
    number = {4},
    pages = {538--555},
    doi = {10.1177/2515245918805755},
  }
  @Article{,
    title = {Interacting with curves: How to validly test and probe
      interactions in the real (nonlinear) world},
    author = {Uri Simonsohn},
    journal = {Advances in Methods and Practices in Psychological
      Science},
    year = {2024},
    volume = {7},
    number = {1},
    doi = {10.1177/25152459231207787},
  }
  @Unpublished{,
    title = {Johnson Neyman 2.0},
    author = {Diego Montealegre and Uri Simonsohn},
    year = {2026},
    note = {Working paper},
  }
  @Article{,
    title = {Stimulus sampling reimagined: Designing experiments with
      mix-and-match, analyzing results with stimulus plots},
    author = {Uri Simonsohn and Andres Montealegre and Ioannis
      Evangelidis},
    journal = {Journal of Personality and Social Psychology},
    year = {2025},
    volume = {129},
    number = {1},
    pages = {71--90},
    doi = {10.1037/pspa0000449},
  }

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.