APA-Style Helper

APA-Style HelpberAPA-Style Helper software has been discontinued.

Visit the APA Style Blog, the APA Style website, or APA Style CENTRAL (available to institutional subscribers) for information and tips for writing in APA Style.

Optimal Data Analysis Software

cover of Optimal Data Analysis: A Guidebook With Software for Windows Optimal Data Analysis: A Guidebook With Software for Windows is a powerful system for examining information and making predictions.

The supplemental site provides additional information, including a troubleshooting guide and frequently asked questions.

Visit the supplemental site.