**Kevin Tarlow, PhD**

Counseling Psychologist

**Percentage of Nonoverlapping Data (PND) Calculator**

The percentage of nonoverlapping data (PND) is a widely used statistic for the measurement and meta-analysis of single-case experimental designs. The calculator below yields exact *p*-values for PND.

Enter *n*_{A}, *n*_{B}, and *k*:

**How to Cite:** Tarlow, K. R., & Penland, A. (2016). Percentage of Nonoverlapping Data (PND) Calculator. Retrieved from http://www.ktarlow.com/stats/pnd

**See Also:** Tarlow, K. R., & Penland, A. (2016). Outcome assessment and inference with the Percentage of Nonoverlapping Data (PND) single-case statistic. *Practice Innovations, 1*(4), 221-233. http://dx.doi.org/10.1037/pri0000029

**R Code:** Tarlow, K. R., & Penland, A. (2016, August). *PND for single-case research* (R code). Retrieved from http://ktarlow.com/stats

© 2016–2019 Kevin Tarlow