---
title: Psychopathic Personality Inventory – Revised (PPI-R) Validity Scales found to be Necessary and Useful
description: Psychopathic Personality Inventory – Revised (PPI-R) Validity Scales found to be Necessary and Useful
---

[Translating Research into Practice ](https://paloaltou.edu/resources/translating-research-into-practice-blog)

# [Psychopathic Personality Inventory – Revised (PPI-R) Validity Scales found to be Necessary and Useful](https://paloaltou.edu/resources/translating-research-into-practice-blog/psychopathic-personality-inventory-revised-ppi-r-validity-scales-found-to-be-necessary-and-useful/)

 Written by [Patricia A. Zapf, PhD](https://paloaltou.edu/resources/translating-research-into-practice-blog/author/patricia-a-zapf-phd) | Oct 25, 2013 7:20:00 AM

[View full post](https://paloaltou.edu/resources/translating-research-into-practice-blog/psychopathic-personality-inventory-revised-ppi-r-validity-scales-found-to-be-necessary-and-useful/)

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