A common method of adding interactivity to web sites is through the use of forms.
Users fill in the information on a form and 'submit' it.
There are two main ways to create a web-based questionnaire. HTML editor, such as Macromedia Dreamweaver. A trial version can be downloaded for 30 days. If you create a form yourself, you can edit the HTML source to amend it. Any form needs to be associated with a CGI program to process the results.