Is it possible to add a check box next to a statement on a matrix question? I have tried to do this using html code <input type="checkbox"> and it is showing in the edit survey view (see image below) but it does not show when I publish and view the survey properly.

I also need to add some checkboxes at the start of a section of questions, and again have tried doing this using the html code on a text/graphic and it is showing in the edit survey view (see below) but not when I view the actual survey. 

I am a complete noob and have never used the javascript or embedded data before but have seen both of these things mentioned in responses to other similar questions so I am not sure if I need to use these. Is anyone able to help with this?

Edit: I have now changed the layout to Simple and the checkboxes are now visible. Do I need to do anything else to ensure that the checkboxes record data?