This plugin provides the function to create a set of questions to answer with “yes / no (/or other)”. Requires PHP: 5.5 Yes/Noチャートを作れるプラグインです。 必須PHPバージョン：5.5
The guide is here. ガイドはこちらです 日本語(ja)
This plugin is available for download to be used on your WordPress self-hosted installation.