http://polldaddy.com/ is a survey software that came be embedded into a word press post so the blog site owners can get feedback from people who see their site. Polldady was created by the same people who made wordpress so it’s pretty easy to get a polldaddy account by going to the poll section of feedback under the dashboard menu while editing your wordpress page. After you have an account you can make an survey directly from wordpress and create a post with it without even copying and pasting the shortcode(although you can).
Shortcode: [ polldaddy poll:insert_poll_number_here ]
Here is a quick example I made:
For more information see:http://en.support.wordpress.com/polls/