SurveyHero

This is the official WordPress plugin for SurveyHero. Using this plugin, you will be able to embed surveys you have created in your SurveyHero account, directly into your WordPress website or blog.
SurveyHero makes it easy for you to create beautiful and mobile optimized online surveys for free! You can create surveys with unlimited questions and get unlimited responses.
If you have not yet signed up for your free SurveyHero account, you can do so here: <a href="https://www.surveyhero.com/signup" rel="nofollow ugc">Sign up</a>
Please feel free to contact us any time if you have any questions: <a href="https://www.surveyhero.com/contact" rel="nofollow ugc">Contact Support</a>

Embed surveys from SurveyHero into your WordPress website.

tnomi

kohseiworks

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 
<a href="https://kohsei-works.com/plugins" rel="nofollow ugc">日本語(ja)</a>

Yes/No Chart

This plugin provides the function to create a set of questions to answer with "yes / no (/or other)". Yes/Noチャートを作れるプラグインです。

SurveyHero vs Yes/No Chart